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Author Question: A sample of five Fortune 500 companies showed the following revenues ( millions): 7505.0, 2904.7, ... (Read 139 times)

eruditmonkey@yahoo.com

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on: Jun 24, 2018
A sample of five Fortune 500 companies showed the following revenues ( millions): 7505.0, 2904.7, 7208.4, 6819.0, and 19500.0 . Based on this information, which of the following statements is correct?
 a. An estimate of the average revenue for all Fortune 500 companies is 8787.42 ( millions).
  b. The average revenue for all Fortune 500 companies is 8787.42 ( millions).
  c. Over half of all Fortune 500 companies earn at least 7208.4 ( millions) in revenues.
  d. If five other Fortune 500 companies were chosen, the average revenue would be 8787.42 ( millions).

Question 2

Random samples of size 49 are taken from a population that has 200 elements, a mean of 180, and a variance of 196 . The distribution of the population is unknown. The mean and the standard error of the mean are
 a. 180 and 24.39
   b. 180 and 28
   c. 180 and 2
   d. 180 and 1.74


bigsis44

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Reply #1 on: Jun 24, 2018
Answer to Question 1

a

Answer to Question 2

d


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eruditmonkey@yahoo.com

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Reply #2 on: Jun 24, 2018
Thank you


bigsis44

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Reply #3 on: Jun 24, 2018
No problemo


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