1. Describing the Data. Answering the following questions

The UNIVARIATE Procedure Variable: wtgain Moments N 979 Sum Weights 979 Mean 40.7508682 Sum Observations 39895.1 Std Deviation 4.899383 Variance 24.0039537 Skewness 0.0064366 Kurtosis 0.93611208 Uncorrected SS 1649235.83 Corrected SS 23475.8668 Coeff Variation 12.0227696 Std Error Mean 0. 15658496 Basic Statistical Measures Location Variability Mean 40.75087 Std Deviation 4.89938 Median 40.90000 Variance 24.00395 Mode 38.70000 Range 39.40000 Interquartile Range 6.20000 Tests for Location: Mu0=0 Test Statistic p Value Student's t 260.2477 Pr > It| <.0001 sign m pr>= [MI <.0001 signed rank s pr>= ISI <.0001 quantiles level quantile max q3 median q1 min the univariate procedure variable: wtgain extreme observations lowest highest value obs group="1" moments n sum weights mean std deviation variance skewness kurtosis uncorrected ss corrected coeff variation error basic statistical measures location variability mode range interquartile tests for location: mu0="0" test statistic p student t pr> Itl <.0001 sign m pr>= [MI <.0001 signed rank s pr>= ISI <.0001 quantiles level quantile max q3 median q1 min the univariate procedure variable: wtgain group="1" extreme observations moments lowest highest n sum weights value obs mean std deviation variance skewness kurtosis uncorrected ss corrected coeff variation error basic statistical measures location variability mode range interquartile tests for location: mu0="0" tes statistic p student t pr> It <.0001 sign m pr>= |M| <.0001 signed rank s pr>= |S| <.0001 quantiles leve quantile max q3 median q1 min the univariate procedure variable: wtgain group="2" extreme observations lowest highest value obs distribution of by hih n w>