Question

Find the mean, median, and mode of the data set. Round to the nearest tenth. Select the best answer, and show your work.

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

Responses

mean = 9.3, median = 8, mode =13

mean = 8.5, median = 10, mode = 13

mean = 9.3, median = 10, mode = 13

mean = 8.5, median = 10, mode = 8

Answer 1

[AI-generated answer — Bot GPT 3.5]

First, let's put the numbers in order: 1, 1, 7, 9, 9, 10, 11, 13, 13, 13, 15.

Mean: Add up all the numbers and divide by the total number of numbers.
Mean = (1 + 1 + 7 + 9 + 9 + 10 + 11 + 13 + 13 + 13 + 15) / 11
Mean = 101 / 11
Mean = 9.2 (rounded to the nearest tenth)

Median: The middle number when the data set is arranged in ascending order.
There are 11 numbers.
Median is the 6th number which is 10.

Mode: The number that appears most frequently.
Mode = 13 (appears 3 times)

Therefore, the correct answer is mean = 9.2, median = 10, mode = 13. The closest option is mean = 9.3, median = 10, mode = 13.