Consider the percent change in revenues for the five largest soap and cosmetics firms as shown in
Question:
a. Make a list of all possible samples of size 2 that might be chosen. (Hint: There are 10 such samples.) For each sample, find the average.
b. Construct a histogram of the 10 sample averages from part a. This is the sampling distribution of the sample average.
c. Select a random-sample of size 2 from the population by starting with the number in row 26, column 4 of the table of random digits. Find the sample average.
d. Indicate where the average (from part c) falls with respect to the sampling distribution (from part b).
e. Write a paragraph explaining how drawing a random sample from the population and finding the average gives essentially the same result as drawing a number from the sampling distribution of the average.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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