Mathematics, 17.06.2021 18:00 krishawnnn
In a quality control test of parts manufactured at Dabco Corporation, an engineer sampled parts produced on the first, second, and third shifts. The research study was designed to determine if the population proportion of good parts was the same for all three shifts. Sample data follow. Excel File: data12-31.xlsx a. Using a level of significance, conduct a hypothesis test to determine if the population proportion of good parts is the same for all three shifts. : - Select your answer - : - Select your answer - The -value is - Select your answer - . What is your conclusion? - Select your answer - b. If the conclusion is that the population proportions are not all the same, use a multiple comparison procedure to determine how the shifts differ in terms of quality? Round , , and difference to two decimal places. Comparison pi pj Difference ni nj Critical Value (to 4 decimals) Significant Diff > CV vs. - Select your answer - vs. - Select your answer - vs. - Select your answer - What shift needs to improve the quality of parts produced? - Select your answer - Because it has - Select your answer - quality than the other two shifts.
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