Assume that nominal diameter of bearing is normally distributed and the population standard deviation is similar to sample standard deviation. 2 Based on bypothesis test, check whether there is evidence to support the claim that the nominal diameter of bearing is equal to 2.75 cm at a equal to 0.06? Clearly show all the necessary steps for the hypothesis test. b. Analyze the result in part (a) with respect to appropriate bounds on bearing nominal diameter and compare the result with the result that you have obtamed in (a).

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Problem 6
Yamamoto industry produces bearing for Mazda Motor Corporation The precision of nominal
diameter of bearing is very important for its successful functioning The bearing is supposed to
have a nominal mside diameter of 2.7 cm. Company randomly selected ten bearings and nominal
diameter measured as shown n the table below.
Nominal
diameter (cm)
2.82
2.65
2.75
2,63
2.76
Nominal
diameter (cm)
2.69
2.73
2.64
2.66
2.83
#no
#no
2.
3.
4.
7.
8.
6.
10
Assume that nominal diameter of bearing is normally distributed and the population standard
deviation is similar to sample standard deviation.
2. Based on bypothesis test, check whether there is evidence to support the claim that the
nominal diameter of bearing is equal to 2.75 cm at a equal to 0.06? Clearly show all the
necessary steps for the hypothesis test.
b. Analyze the result in part (a) with respect to appropriate bounds on bearing nominal diameter
and compare the result with the result that you have obtained in (a).
Transcribed Image Text:Problem 6 Yamamoto industry produces bearing for Mazda Motor Corporation The precision of nominal diameter of bearing is very important for its successful functioning The bearing is supposed to have a nominal mside diameter of 2.7 cm. Company randomly selected ten bearings and nominal diameter measured as shown n the table below. Nominal diameter (cm) 2.82 2.65 2.75 2,63 2.76 Nominal diameter (cm) 2.69 2.73 2.64 2.66 2.83 #no #no 2. 3. 4. 7. 8. 6. 10 Assume that nominal diameter of bearing is normally distributed and the population standard deviation is similar to sample standard deviation. 2. Based on bypothesis test, check whether there is evidence to support the claim that the nominal diameter of bearing is equal to 2.75 cm at a equal to 0.06? Clearly show all the necessary steps for the hypothesis test. b. Analyze the result in part (a) with respect to appropriate bounds on bearing nominal diameter and compare the result with the result that you have obtained in (a).
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