Author Question: A CPA knows from past history that the average accounts receivable for a company is 521.72 with a ... (Read 68 times)

Jipu 123 · **on:** Jun 24, 2018

A CPA knows from past history that the average accounts receivable for a company is 521.72 with a standard deviation of 584.64 . If the auditor takes a simple random sample of 100 accounts, what is the probability that the mean of the sample is within 120 of the population mean?

Question 2

In regression analysis, the coefficient of determination R2 measures the amount of variation in y that is:
a. caused by the variation in x.
b. explained by the variation in x.
c. unexplained by the variation in x.
d. None of these choices.