A-C In 2001, the U.S. Department of Labor reported the average hourly earnings for U.S. proworkers to be $14.32 per hour. We would like to determine if an increase has occurred in theaverage hourly earnings since 2001. A sample of 75 production workers during 2016 was selectedand the population standard deviation is assumed to be $1.45.(a) What are the null and the alternative hypotheses? [ Select ](b) If the sample average hourly earnings of these 75 workers are $14.68, what is the test statisticfor this test? [Select ](c) If the sample average hourly earnings of the 75 workers are $14.68, what is the critical valueusing the critical value approach? Assume 5% significance level (a = 5%).[ Select ](d) If the sample average is $14.68, what's the p-value? [Select ](e) If the sample average is $14.68, what are the statistical and substantive conclusions? Assume a5%. [Select](f) What would be the conclusion of the test if the sample average turns out to be $14? Assume a =5%. [Select]E) What is the p-value if the sample average turns out to be $20? [Select]

The hypothesized mean is $14.32.

In 2001, the U.S. Department of Labor reported the average ho workers to be $14.32 per hour. We would like to determine if an increase has occurred in the average hourly earnings since 2001. A sample of 75 production workers during 2016 was selec and the population standard deviation is assumed to be $1.45. (a) What are the null and the alternative hypotheses? [ Select ] (b) If the sample average hourly earnings of these 75 workers are $14.68, what is the test statis for this test? [Select] (c) If the sample average hourly earnings of the 75 workers are $14.68, what is the critical value using the critical value approach? Assume 5% significance level (a = 5%). [ Select ]