Question

Test the glven claim. Assume that a simple random sample is selected from a normally distributed populaon. Use elther the P-value What are the null and altemative hypotheses? method or the traditional method of testing hypotheses Company A uses a new production methad to manufacture aircraft altimeters A simple random sample of new altimeters resulted in errors listed below Use a 0.05 level of significance to test tha claim that the new production method has eors with a standard deviation greater than 32 2 ft, which was the standard devlation for the old production method. If it appears that the standard deviation is greater, does the new production methed appear to be better or worse than the old method? Should the company take any action? OC. H 322ft B. Hoơ-322R O D. Ho.C # 32.2t H: 32.2 ft 44, 78,-21, -72, 45, 10, 18, 53, -5, 55, 109, 109 OF. Ho:3229 Find the test statistic. (Round to two decimal places as needed) Determine the critical value(s). The critical value(s) islare Use a comma to separate answers as needed. Round to bwo decimal places as needed) Since the test statistic is between the critical value(s), fail to reject Ho. There is sufficient evidence to support the claim that the new production methad has errors with a standard deviation greater than 322 R The variation appears to be less than in the past, so the new method appears to be simia because there will be mOrs Therstore,the company helmmet ece the variaton altimeters that have errors. c ompany should not take immediate action to reduce the varation

Answer 1

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atemasive: 22 3 0888 32.2. stoect subcient avi de nte ceNT 2n