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Use the midpoints of the frequency distribution to find the standard deviation of the sample data. Class Midpoint Frequency 2 - 5 8 6 -

Use the midpoints of the frequency distribution to find the standard deviation of the sample data.

Class Midpoint Frequency 2 - 5 8 6 - 9 11 10 - 13 6 14 - 17 4 18 - 21 3 Question 30 options:

6.3

5.0

5.1

3.2

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