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1. Fifty middle school students were given an assignment to complete. The graph below shows the frequency distribution of the number of days it took to complete the assignment. What is the mean number of days it took a student to complete the assignment?.
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1. Fifty middle school students were given an assignment to complete. The graph below shows the frequency distribution of the number of days it took to complete the assignment. What is the mean number of days it took a student to complete the assignment?