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Test the given claim. Assume that a simple random sample is selected from a normally distributed population. Use either theP-value method or the traditional method

Test the given claim. Assume that a simple random sample is selected from a normally distributed population. Use either theP-value method or the traditional method of testing hypotheses.

Company A uses a new production method 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 the claim that the new production method has errors with a standard deviation greater than 32.2ft, which was the standard deviation for the old production method. If it appears that the standard deviation isgreater, does the new production method appear to be better or worse than the oldmethod? Should the company take anyaction?

negative 42

42, 79

79, negative 25

25, negative 74

74, negative 40

40, 15

15, 19

19, 52

52, negative 6

6, negative 51

51, negative 109

109, negative 109

109

Find the test statistic.

chi squared

2equals

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