Raghav scored below runs in his last 7 innings 13, 38, 3, 29, 14, 68, 17. Find population standard deviation?

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Raghav scored below runs in his last 7 innings
13, 38, 3, 29, 14, 68, 17.

Find population standard deviation for his score in last 7 innings?

posted Jun 7, 2017 by anonymous

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1 Answer (Check Answer ▼)

20.14

Mean = (13+38+3+29+14+68+17)/7=26
Variance = ((13-26)^2+12^2+23^2+3^2+12^2+42^2+9^2)/7=405.7143
Population standard deviation = sqrt (405.7143)=20.14

answer Jul 15, 2018 by Hanifa Mammadov

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