Repeat Exercise 4-15 using a sample size of n = 16 and the same critical region. Exercise 4-15 A… 1 answer below »

Repeat Exercise 4-15 using a sample size of n = 16 and the same critical region. Exercise 4-15 A… 1 answer below »

Repeat Exercise 4-15 using a sample size of n = 16 and the same critical region.

Exercise 4-15

A textile fiber manufacturer is investigating a new drapery yarn, which has a standard deviation of 0.3 kg. The company wishes to test the hypothesis H0: µ = 14 against H1: µ

(a) What is the P-value if the sample average is

(b) Find for the case where the true mean elongation force is 13.5 kg and we assume that α = 0.05.

(c) What is the power of the test from part (b)?

 

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