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The heights of players in a school are distributed as follows. Heights (cm): 160-162, 163-165, 166-168, 169-171, 172-174 with frequencies 15, 118, 142, 127, 18. Which class interval contains the height of the maximum number of students (the modal class)?

1. 160-162
2. 163-165
3. 166-168
4. 169-171

Correct answer: 166-168

Solution

The greatest frequency is 142, which corresponds to the 166-168 cm class interval.

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