1721 For each of the following identify the independent vari
17.21 For each of the following, identify the independent variable(s), dependent variable(s), and the level of measurement (nominal, ordinal, scale). a. The number of loads of laundry washed per month was tracked for women and men living in college dorms. b. A researcher interested in peoples need to maintain social image collected data on the number of miles on someones car and his/her rank for need for approval out of the 183 people studied. c. A professor of social science was interested in whether involvement in campus life is signi - ficantly impacted by whether a student lives on or off campus. Thirty-seven students living on campus and 37 students living off campus were asked whether they were an active member of a club.
Solution
(a) The number of loads of laundry washed per month was tracked for women and men living in college dorms:
Independent variable: Sex (Male or female)
It is nominal variable
Dependent variable: Number of loads of laundry per month
It is scale variable.
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(b) A researcher interested in peoples need to maintain social image collected data on the number of miles on someones car and his/her rank for need for approval out of the 183 people studied.
Independent variable: Number of miles
It is scale variable
Dependent variable: Rank
It is ordinal variable.
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(c)A professor of social science was interested in whether involvement in campus life is signi - ficantly impacted by whether a student lives on or off campus. Thirty-seven students living on campus and 37 students living off campus were asked whether they were an active member of a club.
Independent variable: Lives on or off campus (Yes for on campus and No for off campus)
It is nominal variable.
Dependent variable: Number of students (active member of club)
it is scale variable.
