40 statistics questions

Grove & Cipher Exercise 28

Descriptives

Statistic Std. Error

LOS Mean 8.00 1.155

95% Confidence Interval for

Mean

Lower Bound 5.52

Upper Bound 10.48

5% Trimmed Mean 8.00

Median 8.00

Variance 20.000

Std. Deviation 4.472

Minimum 1

Maximum 15

Range 14

Interquartile Range 8

Skewness .000 .580

Kurtosis -1.200 1.121

Visitor_Frequency Mean 3.73 .330

95% Confidence Interval for

Mean

Lower Bound 3.02

Upper Bound 4.44

5% Trimmed Mean 3.70

Median 4.00

Variance 1.638

Std. Deviation 1.280

Minimum 2

Maximum 6

Range 4

Interquartile Range 2

Skewness .103 .580

Kurtosis -1.110 1.121

Tests of Normality

Kolmogorov-Smirnova Shapiro-Wilk

Statistic df Sig. Statistic df Sig.

LOS .082 15 .200* .964 15 .755

Visitor_Frequency .183 15 .187 .914 15 .155

*. This is a lower bound of the true significance.

a. Lilliefors Significance Correction

LOS

Visitor_Frequency

Correlations

LOS Visitor_Frequency

LOS Pearson Correlation 1 .237

Sig. (2-tailed) .395

N 15 15

Visitor_Frequency Pearson Correlation .237 1

Sig. (2-tailed) .395

N 15 15