Calculate the coefficient of variation from the data given above.

Question

07 Aug 2023

Answer :

Word Count : 320

Step 1: Calculate the Midpoints

Class Interval Midpoint
3-4 3.5
4-5 4.5
5-6 5.5
6-7 6.5
7-8 7.5
8-9 8.5
9-10 9.5

Step 2: Calculate the Mean

Mean = Sum of (Midpoint × Frequency) / Total Frequency
Mean = (3.5 × 3 + 4.5 × 7 + 5.5 × 22 + 6.5 × 60 + 7.5 × 85 + 8.5 × 32 + 9.5 × 8) / (3 + 7 + 22 _________ ____ _____ ________ __________ ______.
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