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 32.2 ft., which was the standard deviation for the old production method. What is the test statistic y. rounded to two decimal places? -43 77 -20 -75 -44 15 16 55 -7 -53 -108 -108 O A. 1185.68 OB. 0.63 C. 36.82 n 20 13

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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 32.2 ft., which was the standard deviation for the old production method.
What is the test statistic y rounded to two decimal places?
43
77
-20
-75
-44
15
16
55
-53
-108
-108
O A. 1185.68
O B. 0.63
OC. 36.82
Ön 20.13
Transcribed Image Text: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 32.2 ft., which was the standard deviation for the old production method. What is the test statistic y rounded to two decimal places? 43 77 -20 -75 -44 15 16 55 -53 -108 -108 O A. 1185.68 O B. 0.63 OC. 36.82 Ön 20.13
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