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Author Question: The _______ confidence interval for the population mean is always wider than the _______ confidence ... (Read 53 times)

melina_rosy

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on: Jun 19, 2018
The _______ confidence interval for the population mean is always wider than the _______ confidence interval for the population mean.
 
  a. 99; 95 c. both of these
  b. 95; 99 d. none of these

Question 2

If the population parameters are known, the t test is _________ powerful than the z test.
 
  a. more c. equally
  b. less d. need more information


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brittanywood

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Reply #1 on: Jun 19, 2018
Answer to Question 1

A

Answer to Question 2

B


melina_rosy

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Reply 2 on: Jun 19, 2018
Great answer, keep it coming :)

chereeb

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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