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Earn +20 ptsQ: What is the standard deviation of 5 5 5 7 9 9 9?
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What is the standard deviation of 9?
You need more than one number to calculate a standard deviation, so 9 does not have a standard deviation.
What is the standard deviation of these set of numbers 6 7 7 12 12 11 9 9 8 4 6 13 14?
For 6 7 7 12 12 11 9 9 8 4 6 13 14: σ=3.0947
What is the mean absolute deviation of this set of numbers 3 9 27 81?
mean | 30 median | 18 standard deviation | 35.496
What is the average deviation to numbers 6 1 4 3 4 1 2 9 5?
Standard deviation = sqrt(variance) Variance = E[X2] - E[X]2 E[X] = sum(X)/n = 35/9, so E[X]2 = 1225/81 E[X2] = sum(X2)/n = 189/9 = 1701/81 Variance = 476/81 Standard deviation = sqrt(476/81) ~ 2.42
What is the standard deviation of the following data set rounded to the nearest tenth 7.7 8.4 9 8 6.9?
It is 0.7
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