Descriptive Statistics Analysis
Shell-1616
UnitIV_TemplateHW.docx1
9
Insert Title Here
Michell Muldrow
Columbia Southern University
Research Methods
Dr. Senft
October 23, 2021
Data Analysis: Descriptive Statistics and Assumption Testing
Describe the Sun Coast Remediation data using the descriptive statistics tools discussed in the lecture. Establish whether assumptions are met to use parametric statistical procedures. Repeat this for each tab in the Sun Coast Remediation Research Study data set. Delete instructions and examples highlighted in yellow before submitting this assignment.
Correlation: Descriptive Statistics and Assumption Testing
Frequency Distribution Table
Histogram
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Bin |
Frequency |
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2 |
1 |
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3 |
1 |
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4 |
5 |
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5 |
13 |
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6 |
18 |
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7 |
24 |
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8 |
18 |
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9 |
12 |
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10 |
7 |
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11 |
2 |
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More |
2 |
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Descriptive Statistics Table
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mean annual sick days per employee |
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Mean |
7.126213592 |
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Standard Error |
0.186483898 |
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Median |
7 |
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Mode |
7 |
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Standard Deviation |
1.892604864 |
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Sample Variance |
3.58195317 |
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Kurtosis |
0.124922603 |
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Skewness |
0.142249784 |
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Range |
10 |
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Minimum |
2 |
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Maximum |
12 |
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Sum |
734 |
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Count |
103 |
Measurement Scale
Discuss measurement scale used here (e.g., nominal, ordinal, interval, or ratio).
Measure of Central Tendency
Discuss measures of central tendency here and the relevance to normality of data (e.g., mean, median, and mode).
Skewness and Kurtosis
Discuss skewness and kurtosis and whether they are within acceptable ranges.
Evaluation
In this section, evaluate and discuss the descriptive statistics above. Conclude with an explicit statement about whether the assumptions for parametric statistical testing were met or not met.
Simple Regression: Descriptive Statistics and Assumption Testing
Frequency Distribution Table
Histogram
|
Bin |
Frequency |
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10 |
1 |
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35 |
1 |
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60 |
9 |
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85 |
9 |
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110 |
17 |
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135 |
18 |
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160 |
24 |
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185 |
27 |
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210 |
37 |
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235 |
24 |
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260 |
21 |
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285 |
15 |
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310 |
12 |
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335 |
4 |
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More |
4 |
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Descriptive Statistics Table
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lost time hours |
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Mean |
188.0044843 |
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Standard Error |
4.803089447 |
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Median |
190 |
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Mode |
190 |
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Standard Deviation |
71.72542099 |
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Sample Variance |
5144.536016 |
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Kurtosis |
-0.50122353 |
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Skewness |
-0.08198487 |
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Range |
350 |
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Minimum |
10 |
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Maximum |
360 |
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Sum |
41925 |
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Count |
223 |
Measurement Scale
Discuss measurement scale used here (e.g., nominal, ordinal, interval, or ratio).
Measure of Central Tendency
Discuss measures of central tendency here and the relevance to normality of data (e.g., mean, median, and mode).
Skewness and Kurtosis
Discuss skewness and kurtosis and whether they are within acceptable ranges.
Evaluation
In this section, evaluate and discuss the descriptive statistics above. Conclude with an explicit statement about whether the assumptions for parametric statistical testing were met or not met.
Multiple Regression: Descriptive Statistics and Assumption Testing
Frequency Distribution Table
Histogram
|
Bin |
Frequency |
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103.38 |
1 |
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104.3697 |
2 |
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105.3593 |
1 |
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106.349 |
3 |
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107.3386 |
6 |
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108.3283 |
6 |
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109.3179 |
9 |
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110.3076 |
12 |
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111.2973 |
18 |
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112.2869 |
17 |
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113.2766 |
26 |
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114.2662 |
22 |
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115.2559 |
27 |
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116.2456 |
47 |
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117.2352 |
36 |
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118.2249 |
44 |
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119.2145 |
47 |
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120.2042 |
53 |
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121.1938 |
61 |
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122.1835 |
60 |
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123.1732 |
62 |
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124.1628 |
74 |
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125.1525 |
70 |
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126.1421 |
81 |
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127.1318 |
93 |
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128.1214 |
73 |
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129.1111 |
105 |
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130.1008 |
80 |
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131.0904 |
88 |
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132.0801 |
67 |
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133.0697 |
50 |
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134.0594 |
56 |
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135.0491 |
35 |
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136.0387 |
30 |
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137.0284 |
19 |
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138.018 |
7 |
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139.0077 |
8 |
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139.9973 |
5 |
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More |
2 |
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Descriptive Statistics Table
|
Decibel |
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Mean |
124.8359 |
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Standard Error |
0.177945 |
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Median |
125.721 |
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Mode |
127.315 |
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Standard Deviation |
6.898657 |
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Sample Variance |
47.59146 |
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Kurtosis |
-0.31419 |
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Skewness |
-0.41895 |
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Range |
37.607 |
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Minimum |
103.38 |
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Maximum |
140.987 |
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Sum |
187628.4 |
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Count |
1503 |
Measurement Scale
Discuss measurement scale used here (e.g., nominal, ordinal, interval, or ratio).
Measure of Central Tendency
Discuss measures of central tendency here and the relevance to normality of data (e.g., mean, median, and mode).
Skewness and Kurtosis
Discuss skewness and kurtosis and whether they are within acceptable ranges.
Evaluation
In this section, evaluate and discuss the descriptive statistics above. Conclude with an explicit statement about whether the assumptions for parametric statistical testing were met or not met.
Independent Samples t Test: Descriptive Statistics and Assumption Testing
Frequency Distribution Table
Histogram
|
Bin |
Frequency |
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50 |
4 |
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55.85714 |
5 |
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61.71429 |
7 |
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67.57143 |
8 |
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73.42857 |
14 |
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79.28571 |
10 |
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85.14286 |
8 |
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More |
6 |
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Frequency |
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2 |
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5 |
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10 |
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12 |
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14 |
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11 |
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5 |
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3 |
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Descriptive Statistics Table
|
Group A Prior Training Scores |
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Mean |
69.79032258 |
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Standard Error |
1.402788093 |
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Median |
70 |
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Mode |
80 |
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Standard Deviation |
11.04556449 |
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Sample Variance |
122.004495 |
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Kurtosis |
-0.77667598 |
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Skewness |
-0.086798138 |
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Range |
41 |
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Minimum |
50 |
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Maximum |
91 |
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Sum |
4327 |
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Count |
62 |
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Group B Revised Training Scores |
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Mean |
84.77419355 |
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Standard Error |
0.659478888 |
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Median |
85 |
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Mode |
85 |
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Standard Deviation |
5.192741955 |
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Sample Variance |
26.96456901 |
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Kurtosis |
-0.352537913 |
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Skewness |
0.144084526 |
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Range |
22 |
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Minimum |
75 |
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Maximum |
97 |
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Sum |
5256 |
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Count |
62 |
Measurement Scale
Discuss measurement scale used here (e.g., nominal, ordinal, interval, or ratio).
Measure of Central Tendency
Discuss measures of central tendency here and the relevance to normality of data (e.g., mean, median, and mode).
Skewness and Kurtosis
Discuss skewness and kurtosis and whether they are within acceptable ranges.
Evaluation
In this section, evaluate and discuss the descriptive statistics above. Conclude with an explicit statement about whether the assumptions for parametric statistical testing were met or not met.
Dependent Samples (Paired-Samples) t Test: Descriptive Statistics and Assumption Testing
Frequency Distribution Table
Histogram
|
Bin |
Frequency |
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6 |
1 |
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13.14286 |
3 |
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20.28571 |
5 |
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27.42857 |
6 |
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34.57143 |
8 |
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41.71429 |
13 |
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48.85714 |
9 |
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More |
4 |
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Bin |
Frequency |
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6 |
1 |
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13.14286 |
3 |
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20.28571 |
5 |
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27.42857 |
6 |
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34.57143 |
8 |
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41.71429 |
11 |
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48.85714 |
11 |
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More |
4 |
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Descriptive Statistics Table
|
Pre-Exposure μg/dL |
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Mean |
32.85714286 |
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Standard Error |
1.752306546 |
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Median |
35 |
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Mode |
36 |
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Standard Deviation |
12.26614582 |
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Sample Variance |
150.4583333 |
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Kurtosis |
-0.576037127 |
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Skewness |
-0.425109654 |
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Range |
50 |
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Minimum |
6 |
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Maximum |
56 |
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Sum |
1610 |
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Count |
49 |
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Post-Exposure μg/dL |
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Mean |
33.28571429 |
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Standard Error |
1.781423416 |
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Median |
36 |
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Mode |
38 |
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Standard Deviation |
12.46996391 |
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Sample Variance |
155.5 |
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Kurtosis |
-0.654212507 |
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Skewness |
-0.483629097 |
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Range |
50 |
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Minimum |
6 |
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Maximum |
56 |
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Sum |
1631 |
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Count |
49 |
Measurement Scale
Discuss measurement scale used here (e.g., nominal, ordinal, interval, or ratio).
Measure of Central Tendency
Discuss measures of central tendency here and the relevance to normality of data (e.g., mean, median, and mode).
Skewness and Kurtosis
Discuss skewness and kurtosis and whether they are within acceptable ranges.
Evaluation
In this section, evaluate and discuss the descriptive statistics above. Conclude with an explicit statement about whether the assumptions for parametric statistical testing were met or not met.
ANOVA: Descriptive Statistics and Assumption Testing
Frequency Distribution Table
Histogram
|
Bin |
Frequency |
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3 |
1 |
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5.75 |
3 |
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8.5 |
4 |
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11.25 |
8 |
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More |
4 |
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Bin |
Frequency |
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6 |
1 |
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7.75 |
2 |
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9.5 |
10 |
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11.25 |
5 |
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More |
2 |
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Bin |
Frequency |
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3 |
1 |
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5.25 |
5 |
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7.5 |
8 |
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9.75 |
2 |
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More |
4 |
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Bin |
Frequency |
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3 |
1 |
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4.25 |
3 |
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5.5 |
7 |
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6.75 |
6 |
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More |
3 |
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Descriptive Statistics Table
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8.9 |
|
0.684028 |
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9 |
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11 |
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3.059068 |
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9.357895 |
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-0.6283 |
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-0.36085 |
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11 |
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3 |
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14 |
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178 |
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20 |
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B = Soil |
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Mean |
9.1 |
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Standard Error |
0.390007 |
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Median |
9 |
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Mode |
8 |
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Standard Deviation |
1.744163 |
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Sample Variance |
3.042105 |
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Kurtosis |
0.11923 |
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Skewness |
0.492002 |
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Range |
7 |
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Minimum |
6 |
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Maximum |
13 |
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Sum |
182 |
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Count |
20 |
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C = Water |
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Mean |
7 |
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Standard Error |
0.575829 |
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Median |
6 |
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Mode |
6 |
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Standard Deviation |
2.575185 |
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Sample Variance |
6.631579 |
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Kurtosis |
-0.23752 |
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Skewness |
0.760206 |
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Range |
9 |
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Minimum |
3 |
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Maximum |
12 |
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Sum |
140 |
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Count |
20 |
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D = Training |
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Mean |
5.4 |
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Standard Error |
0.265568 |
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Median |
5 |
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Mode |
5 |
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Standard Deviation |
1.187656 |
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Sample Variance |
1.410526 |
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Kurtosis |
0.253747 |
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Skewness |
0.159183 |
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Range |
5 |
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Minimum |
3 |
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Maximum |
8 |
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Sum |
108 |
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Count |
20 |
Measurement Scale
Discuss measurement scale used here (e.g., nominal, ordinal, interval, or ratio).
Measure of Central Tendency
Discuss measures of central tendency here and the relevance to normality of data (e.g., mean, median, and mode).
Skewness and Kurtosis
Discuss skewness and kurtosis and whether they are within acceptable ranges.
Evaluation
In this section, evaluate and discuss the descriptive statistics above. Conclude with an explicit statement about whether the assumptions for parametric statistical testing were met or not met.
References
Include references here using hanging indentations.
Creswell, J. W., & Creswell, J. D. (2018). Research design: Qualitative, quantitative, and mixed methods approaches (5th ed.). SAGE.
Histogram
Frequency 103.38 104.3696579 105.3593158 106.3489737 107.3386316 108.3282895 109.3179474 110.3076053 111.2972632 112.2869211 113.2765789 114.2662368 115.2558947 116.2455526 117.2352105 118.2248684 119.2145263 120.2041842 121.1938421 122.1835 12 3.1731579 124.1628158 125.1524737 126.1421316 127.1317895 128.1214474 129.1111053 130.1007632 131.0904211 132.0800789 133.0697368 134.0593947 135.0490526 136.0387105 137.0283684 138.0180263 139.0076842 139.9973421 More 1 2 1 3 6 6 9 12 18 17 26 22 27 47 36 44 47 53 61 60 62 74 70 81 93 73 105 80 88 67 50 56 35 30 19 7 8 5 2Bin
Frequency
Histogram
Frequency 50 55.85714286 61.71428571 67.57142857 73.42857143 79.28571429 85.14285714 More 4 5 7 8 14 10 8 6Bin
Frequency
Histogram
Frequency 75 78.14285714 81.28571429 84.42857143 87.57142857 90.71428571 93.85714286 More 2 5 10 12 14 11 5 3Bin
Frequency
Histogram
Frequency 6 13.14285714 20.28571429 27.42857143 34.57142857 41.71428571 48.85714286 More 1 3 5 6 8 13 9 4Bin
Frequency
Histogram
Frequency 6 13.14285714 20.28571429 27.42857143 34.57142857 41.71428571 48.85714286 More 1 3 5 6 8 11 11 4Bin
Frequency
Histogram
Frequency 3 5.75 8.5 11.25 More 1 3 4 8 4Bin
Frequency
Histogram
Frequency 6 7.75 9.5 11.25 More 1 2 10 5 2Bin
Frequency
Histogram
Frequency 3 5.25 7.5 9.75 More 1 5 8 2 4Bin
Frequency
Histogram
Frequency 3 4.25 5.5 6.75 More 1 3 7 6 3Bin
Frequency
Histogram
Frequency 2 3 4 5 6 7 8 9 10 11 More 1 1 5 13 18 24 18 12 7 2 2Bin
Frequency
Histogram
Frequency 10 35 60 85 110 135 160 185 210 235 260 285 310 335 More 1 1 9 9 17 18 24 27 37 24 21 15 12 4 4Bin
Frequency
