Multiple choice

Jeff ordered 84 pairs of shoes of different sizes. The number of pairs of each size are given by the frequency table. What is the mean number of pairs ordered by Jeff? Shoe size 5 6 7 8 Frequency 22 14 24 24

  1. 28

  2. 25

  3. 21

  4. 18
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C Correct answer
AI explanation

To find the total number of pairs ordered, add the frequencies of all shoe sizes, giving 22 + 14 + 24 + 24 = 84 pairs. Divide this sum by the number of different shoe sizes to find the mean, which gives 84 / 4 = 21. The result is 21.

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