Mathematics, 26.07.2019 01:30 americus777oz2aze

If the variance of 3,4,6,y,(y+3) and 9 is 21.6. what is the standard deviation of 6,8,12,2y,(2y+8) and 18?

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If the variance of 3,4,6,y,(y+3) and 9 is 21.6. what is the standard deviation of 6,8,12,2y,(2y+8) a...

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