statistics
posted by April .
A professor is interested in the relationship between the number of hours students study for
a quiz and their quiz grades. She asked each student to record the number of hours that
he/she studied for the final exam. She also recorded the studentsâ€™ grades in percentages
(ex. 86%). What technique should the professor use to analyze the data?
a. ttest for two independent samples
b. ttest for matched pairs
c. Chi square test for independence
d. correlation
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