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(Solved): A sample of ultimate tensile strength observations (ksi) was taken. Use the accompanying descripti ...



A sample of ultimate tensile strength observations (ksi) was taken. Use the accompanying descriptive statistics output from M

A sample of ultimate tensile strength observations (ksi) was taken. Use the accompanying descriptive statistics output from Minitab to calculate a lower confidence bound for true average iltimate tensile strength, and interpret the result. (Round your answer to two decimal places.) Ve are confident that the true average ultimate tensile strength is greater than ksi.


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Since we do not know the population standard deviation, we use the t-distribution for the confidence interval.
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