Case Processing Summary Cases Valid Missing Total N Percent N Percent N Percent Total amount of income 158 98.1% 3 1.9% 161 100.0% this month Descriptives Statistic Std. Error Total amount of income this month Mean $384.08 $31.338 95% Confidence Interval for Lower Bound $322.18 Mean Upper Bound $445.97 5% Trimmed Mean $337.22 Median $275.00 Variance 155167.026 Std. Deviation. $393.912 Minimum $0 Maximum $2,000 Range $2,000 Interquartile Range $404 Skewness 1.780 .193 Kurtosis 3.405 .384 Extreme Values Case Number Value Total amount of income this month Highest 1 143 $2,000 2 140 $1,800 3 37 $1,600 4 79 $1,500 5 101 $1,500 Lowest 1 114 $0 2 104 $0 3 72 $0 4 70 $0 5 63 $0b a. Only a partial list of cases with the value $1,500 are shown in the table of upper extremes. b. Only a partial list of cases with the value $0 are shown in the table of lower extremes. Tests of Normality Kolmogorov-Smirnova Statistic df Sig. Statistic Shapiro-Wilk df Total amount of income .165 158 Frequency 550 40 30 20 10 Histogram 0 $0 $500 $1,000 $1,500 $2,000 Total amount of income this month Mean = $384.08 Std. Dev. $393.912 N = 158