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Mathematics, 19.02.2020 04:57 quoia89
A manufacturing process drills holes in sheet metal that are supposed to be .5000 cm in diameter. Before and after a new drill press is installed, the hole diameter is carefully measured for 12 randomly chosen parts. At a = .05, can we conclude that the new drill has a diffrent variance?New drill.5005 .5010 .5024 .4988 .4997 .4995.5014 .4995 .4988 .4992 .5042 .4967Old drill.5052 .5053 .4947 .4907 .5031 .4923.5040 .5035 .5061 .4956 .5035 .4962A, What test should I run?B. State the null and AltrenativeC. What is the significance level?D. Find the crital value?E. Compute the value of the statisticF. What is the decision regading the null hypothesis? Intrepret the results
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A manufacturing process drills holes in sheet metal that are supposed to be .5000 cm in diameter. Be...
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