Grove & Cipher Exercise 28 Descriptives Statistic Std. Error LOS Mean 8.00 1.155 95% Confidence Interval for Lower Bound 5.52 Mear Upper Bound 10.48 5% Trimmed Mean 8.00 Median 8.00 Variance 20.000 Std. Deviation 4.472 Minimum 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 Lower Bound 3.02 Mear 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\fTests 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 Histogram 2.0- Mean = 8 Std. Dev. = 4.472 N = 15 1.5- Frequency 1.0- 0.5- 0.0 10 15 LOS