Mathematics, 13.05.2021 19:20 gracerich
Suppose you are interested in using regression analysis to estimate a student's GPA using the following independent variables: the student is a freshman, the student's ACT score, number of hours per week the student studies, the student's GPA in the previous term, the student's GPA in high school, and the number of classes skipped per week. Which of the following independent variables are indicator (dummy) variables?
a. the student lives on campus
b. the student's parents graduated from college
c. the student's GPA in high school
d. the number of hours spent in class per week
e. the student is dating
f. number of alcoholic drinks per week the student consumes
g. None of these
Answers: 2
Mathematics, 21.06.2019 21:40
Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0
Answers: 1
Mathematics, 21.06.2019 23:10
In which quadrant does the point lie? write the coordinates of the point. a. quadrant ii; (β2, β4) b. quadrant iii; (2, 4) c. quadrant iii; (β2, β4) d. quadrant iv; (β4, β2)
Answers: 3
Suppose you are interested in using regression analysis to estimate a student's GPA using the follow...
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