Find the mean, median, and mode of the data set. Round to the nearest tenth.

15, 13, 9, 9, 7, 1, 11, 10, 13, 1, 13

1 answer

Mean: (15 + 13 + 9 + 9 + 7 + 1 + 11 + 10 + 13 + 1 + 13) / 11 = 10.5

To find the median, we first have to arrange the data set in numerical order: 1, 1, 7, 9, 9, 10, 11, 13, 13, 13, 15
Since there are 11 numbers, the median is the middle number, which in this case is the 6th number: 10

The mode is the number that appears most frequently in the data set. In this case, the number 13 appears 3 times, which is more than any other number in the data set. So the mode is 13.
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