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Approximate the variance of the times

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Time(Months)

0-0.9 45 1.0-1.9 19 2.0-2.9 18 3.0-3.9 17

Articles

4.0-4.9 14

5.0-5.9 11

Approximate the variance of the times. Round the answer to at least two decimal places.

Approximate the standard deviation of the times. Round the answer to at least two decimal places.

Reference no: EM132851549

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