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An automotive part must be machined to close tolerances to be acceptable to customers. Production specifications call for a maximum variance in the lengths of

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An automotive part must be machined to close tolerances to be acceptable to customers. Production specifications call for a maximum variance in the lengths of the parts of 0.0004 , A qualizy control sample produced the data in the Microsoft Excel Onilne file below, Using a=0.05, test to see whether the population variance specification is being viclated. Open spreadsheet 1. Formulate the null and alternative hypotheses for this application. Ho:2 2. Test statistic = (to 2 decimals) 3. The pwatue is 4. Condusion: 5. Test resiats

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