Mathematics, 26.03.2020 22:45, hectorcal3652

A group of forty-eight eight grade students was surveyed to find out much time they spent studying for their final exam and their final grade. The table below summarizes the responses.

Exam grade of 80% Exam grade less than
or higher 80%

Studied 4 or 18 6
more hours

Studied less
than 4 hours 10 14

What percent of students who took the exam scored an 80 or above on the exam?

Answers: 1

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A group of forty-eight eight grade students was surveyed to find out much time they spent studying f...