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Author Question: Which of the following statements is false regarding the sample size needed to estimate a population ... (Read 96 times)

penza

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on: Jun 24, 2018
Which of the following statements is false regarding the sample size needed to estimate a population mean?
 a. It is directly proportional to the population variance.
  b. It is directly proportional to the square of z / 2.
  c. It is directly proportional to the square of the maximum allowable error B.
  d. None of these choices.

Question 2

If a group of independent variables are not significant individually but are significant as a group at a specified level of significance, this is most likely due to:
 a. heteroscedasticity.
  b. an error in the analysis.
  c. multicollinearity.
  d. None of these choices.


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tdewitt

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

C

Answer to Question 2

C


penza

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Reply 2 on: Jun 24, 2018
Excellent

dyrone

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Reply 3 on: Yesterday
Gracias!

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