The total number of students in the sample can be calculated by adding up the frequency for each age range:
5 + 9 + 5 + 3 + 1 + 2 = 25
Therefore, there are 25 students in the sample.
18-19 5 16-17 9 14-15 5 12-13 3 10-11 1 8-9 2 How many students are in the sample? 15 20 22 25
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