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Which of the following measurements would result in time-series data?

Select ALL that apply.

A

We ask students in our class to report the number of hours they studied last night.

B

We measure the average weight of a random sample of college students on the first day of freshman year and the last day of senior year.

C

We measure the yearly income from textbook sales at the university bookstore from 1995 - 2015.

D

We measure the monthly gasoline price for 2014.

E

We calculate the total number of textbooks sold in 2015 at the three bookstores on campus.

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