Mathematics · Statistics
Find the variance and standard deviation of the following frequency distribution: Variable (xi) = 3, 5, 7, 9, 11, 13, 15, 17 Frequency (fi) = 4, 5, 6, 7, 9, 10, 12, 14
- 118.64, 4.32✓
- 221.25, 11.80
- 320.05, 14.80
- 419.05, 13.80
Correct answer
18.64, 4.32
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