Question: (a) Do you think the engineer is correct? Use a = 0.05. (b) What is the P-value for this test? (c) What is the power

(a) Do you think the engineer is correct? Use a = 0.05.
(b) What is the P-value for this test?
(c) What is the power of the test in part (a) for a true difference in means of 0.04?
(d) Find a 95% confidence interval on the difference in means. Provide a practical interpretation of this interval.

Machine 1 Machine 2 16.03 16.02 16.01 16.03 15.96 15.97 16.04 16.04 16.05 15.98 15.96 16.02 16.05 16.02 16.01 16.01 16.02 15.99 15.99 16.00

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