1. Find the mode, and the mean for the set of data below. Number of fiction books read by 28 eight-grade pupils : 4, 6, 1, 7, 3, 9, 5, 7, 8, 5, 4, 6, 10, 6, 9, 5, 6, 6, 8, 6, 8, 5, 10, 7, 2, 5, 3, 7.
2. Find the mode, and the mean of the following set showing number of hours of operating life of 25 flashlight batteries: 20, 21, 19, 22, 18, 23, 25, 22, 23, 20, 23, 20, 22, 21, 24, 21, 22, 23, 19, 21, 22, 22, 24, 26, 22.
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Answer:
mode=because the most occurrence value