Shoe sizes and a population estimate

Shoe sizes and a population estimate

Secondary 2
TGM Original Questions

The shoe sizes of 34 students are: 6,5,7,4,6,3,8,5,6,7,4,5,6,9,5,7,6,4,5,6,7,3,8,5,6,4,7,5,6,3,7,4,5,6.

  1. Complete a frequency table for sizes 3 to 9.
  2. Find the mean, mode and median.
  3. Find the percentage wearing size 7.
  4. Estimate how many of 300 similar students wear size 7.

Solution:

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Answer:(a) frequencies \(3,5,8,9,6,2,1\); (b) mean \(95/17\approx5.59\), mode \(6\), median \(6\); (c) \(17.6\%\); (d) about \(53\).

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