Engineering, 13.07.2019 23:20, xxaurorabluexx

The sample mean of 13 bowling balls measured from a manufacturing line is 10.12 lbf^2 with a sample variance of 0.28 ibf^2. determine the range (in n) that contains the true standard deviation of all the bowling balls assuming 90 % confidence

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The sample mean of 13 bowling balls measured from a manufacturing line is 10.12 lbf^2 with a sample...