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Calculating Standard Deviation

Stat-prob

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On Shmearth, a world far far away, they only have 6 months in a year. The weather man at the local radio station needs to calculate the standard deviation for the following average monthly temperatures (°c) for Shlondon. Can you help him?

Month Ave. Temp. (°C)
January 1
February 4
Shmarch 7
April 8
Shmay 9
June 10

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Round your answer to the nearest hundredth

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