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OpenStudy (anonymous):
. Please show your work to find the mean and standard deviation of the data. Round to the nearest tenth. 20, 16, 18, 14, 9, 20, 16
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OpenStudy (anonymous):
Best Answer: (20,16,18,14,9,20,16) Plus them together and divide them by 7 give you the mean mean = 16.1429 standard deviation = (20- mean)^2+ (16- mean)^2.......so on then divide by 7 SD= 3.5628 Source(s): I hope this helps
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