t-Test Application and Interpretation
Running head: DATA ANALYSIS AND APPLICATION TEMPLATE 1
1
Data Analysis and Application Template
Learner Name
Capella University
Data Analysis and Application Template
Data Analysis Plan
· Name the variables used in this analysis and whether they are categorical or continuous.
The variables are:
1-review: Attended review sessions? 1 = no; 2 = yes
2- Final: Final exam: number of correct answers.
· State a research question, null hypothesis, and alternate hypothesis for the independent samples t-test.
Testing Assumptions
Assumption Checks
Assumption Checks
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Test of Equality of Variances (Levene's) |
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|
F |
df1 |
df2 |
p |
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|
final |
|
0.740 |
|
1 |
|
103 |
|
0.392 |
|
|
|
· Using the table, interpret the Levene’s Test; determine if the assumption of homogeneity is violated or is not violated.
Results & Interpretation
Using both tables:
Descriptives
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Group Descriptives |
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|
Group |
N |
Mean |
SD |
SE |
Coefficient of variation |
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final |
|
Attended review session |
|
55 |
|
61.545 |
|
7.356 |
|
0.992 |
|
0.120 |
|
|
|
|
Did not attend review session |
|
50 |
|
62.160 |
|
7.993 |
|
1.130 |
|
0.129 |
|
|
|
|
Independent Samples T-Test |
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|
t |
df |
p |
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|
final |
|
-0.410 |
|
103 |
|
0.682 |
|
|
|
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Note. Student's t-test. |
· Report the means and standard deviations for each group. Interpret the t-test results against the null hypothesis.
Statistical Conclusions
· Provide a brief summary of your analysis and the conclusions drawn about this t test.
· Analyze the limitations of the statistical test and/or possible alternative explanations for your results
Application
· Analyze how you might use the independent samples t test in your field of study.
· Name an independent variable and dependent variable that would work for such an analysis and why studying it may be important to the field or practice.
References
Provide references in proper APA Style if necessary.