Question

86 49 63 90 82 98 36
What is the variance of the data set?

Answer 1

525

Explanation:

(86 + 49 + 63 + 90 + 82 + 98 + 36) / 7 = 504 / 7 = 72 . → variance of the set of data = 525

Answer 2

→ Mean of given data = xi = (86 + 49 + 63 + 90 + 82 + 98 + 36) / 7 = 504 / 7 = 72 .

→ variance of the set of data = 525

Explanation:

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