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13 September, 04:22

Calculate the mean and standard deviation 3,5,6,9,11,12,17

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  1. 13 September, 04:36
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    9 and 3.35 respectively

    Step-by-step explanation:

    Mean=Sum of data:No. of data

    = (3+5+6+9+11+12+17) : 7

    =63:7

    =9

    Standard Deviation=√{ (sum of squares of data:no. of data) - (sum of data:no. of data)

    =√ (705:7) - (63:7)

    =√100.71:9

    =√11.19

    =3.35
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