Find the sample standard deviation of these percentages

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Reference no: EM13902024

The following are the percentages of ash content in 12 samples of coal found in close proximity:

9.2, 14.1, 9.8, 12.4, 16.0, 12.6, 22.7, 18.9, 21.0, 14.5, 20.4, 16.9

Find the

(a) sample mean, and

(b) sample standard deviation of these percentages.

Reference no: EM13902024

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Find the sample standard deviation of these percentages : The following are the percentages of ash content in 12 samples of coal found in close proximity:9.2, 14.1, 9.8, 12.4, 16.0, 12.6, 22.7, 18.9, 21.0, 14.5, 20.4, 16.9- Find the sample mean

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