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Please help, 17. Which of the following variables is not qualitative? a. Gender of a person b. Religious affiliation c. Number of dependents claimed on

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17. Which of the following variables is not qualitative? a. Gender of a person b. Religious affiliation c. Number of dependents claimed on a tax return d. Class level of a student (freshman, sophomore, etc.) 18. Consider the regression equation Y = bo + bix + bad with a dummy/indicator variabled. If d changes from 0 to 1, the intercept changes to: a. bo b. bot b1 c. b2 d. bo+ b2 19. For the model y = Bo + Bix + Bad + , which test is used for testing the significance of a indicator variable d? a. Ftest b. chi-squaretest c. z test d. ttest

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