The following multiple regression printout can be used to predict a person's height (in inches) given his or her shoe size and gender, where gender = 1 for males and 0 for females. Regression Analysis: Height Versus Shoe Size, Gender Coefficients Term Constant Shoe Size Coef SE Coef 55.26 1.02 1.167 0.19 Gender 2.577 0.483 T-Value 54.18 5.34 P-Value 0.000 0.000 0.000 (a) Find the value of the test statistic for shoe size. (Round your answer to two decimal places.) (b) Is the regression coefficient of shoe size statistically significant? (Use a = 0.05.) The regression coefficient of shoe size ---Select-- statistically significant. (d) Interpret the regression coefficient of Gender. Males are (c) Does the variable shoe size belong in the model? The variable shoe size ---Select---belong in the model. inches taller than females, on average, controlling for shoe size.

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