1. Data set A contains the heights (x) and weights (y) of 10 women. Data set B contains the heights (x) and the weights (y) of 10 men. The correlation between x and y for women in .6. The correlation between x and y for men in .8. The standard deviations of the heights are the same for the two data sets, and the standard deviations of the weights are the same for the two data sets.

Which data set has thesmallerregression standard error Se?Explain briefly.

a. Data set A (women)

b. Data set B (men)

2. A market researcher interviewed residents of a rural community to determine which factors, if any, affect how much the residents spend locally on clothing. The factors considered were: age, gender, and income. The ANOVA part of the Excel output is shown below.

ANOVA SS MS F Significance F Regression 3 17400.6 5800.2 0.8347 0.4898 Residual 21 145920 6948.55 Total 24 163320