Compute the (sample) variance and standard deviation of the data sample. (Round your answers to two decimal places.)

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A: Population mean µ = 12.5 psiSample size (n) = 11Mean x̅ = 11.1 psiSample standard deviation (s) =…

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Q: You wish to test the following claim (H) at a significance level of a = 0.002. Ho:p=0.6 Ha:p> 0.6…

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A: Given information:

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