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Author Question: Which of the following is true regarding the sampling distribution of the mean for a large sample ... (Read 29 times)

jace

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on: Jun 24, 2018
Which of the following is true regarding the sampling distribution of the mean for a large sample size? Assume the population distribution is not normal.
 a. It has the same shape, mean and standard deviation as the population.
  b. It has the same mean as the population, but a different shape and standard deviation.
  c. It the same mean and standard deviation as the population, but a different shape.
  d. It has the same shape and mean as the population, but a different standard deviation.

Question 2

If the coefficient of determination is 0.975, then which of the following is true regarding the slope of the regression line?
 a. All we can tell is that it must be positive.
  b. It must be 0.975.
  c. It must be 0.987.
  d. Cannot tell the sign or the value.


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tennis14576

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

B

Answer to Question 2

D


jace

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

Viet Thy

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Reply 3 on: Yesterday
Gracias!

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