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-Review Ques value 3.00 points Exercise 8-27 (LO8-3) Suppose your statistics ins

ID: 3370190 • Letter: #

Question

-Review Ques value 3.00 points Exercise 8-27 (LO8-3) Suppose your statistics instructor gave six examinations during the semester. You received the following grades (percent correct): 89, 64, 88, 89, 91, and 75. Instead of averaging the six scores, the instructor indicated he would randomly select five grades and compute the final percent correct based on the five percents a. How many different samples, without replacement, of five test grades are possible? Different samples c. Compute the mean of the sample means and compare it to the population mean. (Round your answers to 3 decimal places.) The mean of the sample means is The population mean is Both means are Click to select) equal not equal References eBook & Resources Worksheet bimculty: 2 Intermediate Exercise 8-27 (LO8-3) Learning Objective: 08-03 Demonstrate the constructio Sampling distribution of the sample mean 1m

Explanation / Answer

a.

Total samples of 5 = C(6,5) = 6

b.

The mean of sample mean is 82.667

The population mean is 82.667

both the means are equal