Question:

The standard deviation for the following distribution:
Class 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Frequency 3 7 12 15 8 3 2

Updated On: Apr 27, 2024

12.89
13.98
14.18
15.38

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The Correct Option is C

Solution and Explanation

The correct option is(C): 14.18

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