3 years ago

What is the variance of the data set? 9, 7, 6.5, 7.5, 7, 8, 5, 6, 7.5, 8

1 answer:

5 0

Answer:

variance = 1.1525

(∑x² - (∑x)²/n)/n

where n = number of data set = 10

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