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# Maths s1 hw help watch

1. The number of members in six groups was recorded. Σm = 150 Σm^2 = 3846
Work out the standard deviation of the number of members in the scout groups.
2. √((3846/6)-(150/6)^2)=4

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3. (Original post by Elehin)
The number of members in six groups was recorded. Σm = 150 Σm^2 = 3846
Work out the standard deviation of the number of members in the scout groups.
What is the standard deviation in a distribution? Do you remember the formula?

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4. (Original post by Princepieman)
What is the standard deviation in a distribution? Do you remember the formula?

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I know how to answer it now.

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