Mathematics, 24.09.2020 14:01 colochaortiz20p7cajw
James conducts a survey to study the relationship between cell phone use and grades earned during the fall semester. James suspects that there might be a lot of other factors that affect grades besides cell phones.
Which of the following could be a confounding variable in James's study?
a. Grade earned during the spring semester
b. Time spent studying
c. Grade earned during the fall semester
d. Time spent using a cell phone
Answers: 3
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James conducts a survey to study the relationship between cell phone use and grades earned during th...
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