Test the assumptions of normality and homogeneity on the beginning and current salary and interpret the results.
Extracted text: Tests of Normality Kolmogorov-Smirnova Shapiro-Wilk Statistic df Sig. Statistic df Sig. Beginning Salary Current Salary .252 474 .000 .715 474 .000 .208 474 .000 .771 474 .000 a. Lilliefors Significance Correction
Extracted text: Case Processing Summary Cases Valid Missing Total N Percent N Percent N Percent Beginning Salary 474 100.0% 0.0% 474 100.0% Current Salary 474 100.0% 0.0% 474 100.0% Descriptives Statistic Std. Error Beginning Salary Mean $17,016.09 $361.510 95% Confidence Interval Lower Bound $16,305.72 for Mean Upper Bound $17,726.45 5% Trimmed Mean $16,041.71 Median $15,000.00 Variance 61946944.959 Std. Deviation $7,870.638 Minimum $9,000 Maximum $79,980 Range $70,980 |Interquartile Range $5,168 Skewness 2.853 .112 Kurtosis 12.390 224 Current Salary Mean $34,419.57 $784.311 95% Confidence Interval Lower Bound $32,878.40 for Mean Upper Bound $35,960.73 5% Trimmed Mean $32,455.19 Median $28,875.00 Variance 291578214.453 Std. Deviation $17,075.661 Minimum $15,750 Maximum $135,000 Range $119,250 Interquartile Range $13,163 Skewness 2.125 .112 Kurtosis 5.378 224