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20 measured data points have a sample mean of 72.4 and a standard deviation of 6.89....

20 measured data points have a sample mean of 72.4 and a standard deviation of 6.89. Estimate the range of values for which you would expect 99% of all future measurements to fall (or for a single future measurement to fall within 99% probability). Find a, where the data is expected to fall ±a about the sample mean.

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Answer #1

Page No. Data: 99% ст. is J20 2.4± 3.2245 (:12.4-3.2245, 干2.4 +3.2245) ( 69-175 75, 6245)

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