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Author Question: The z-value needed to construct a 92.5 confidence interval estimate for the difference between two ... (Read 39 times)

LaDunn

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The z-value needed to construct a 92.5 confidence interval estimate for the difference between two population proportions is:
 a. 2.58
  b. 2.33
  c. 1.96
  d. 1.78
  e. 1.33

Question 2

Which of the following statements is false?
 a. Nonparametric methods provide test statistics for an unspecified distribution.
  b. When choosing between parametric and nonparametric tests, we are interested primarily in the control of error, the relative power of the test, and efficiency.
  c. For a statistical procedure to be parametric, either we assume that the parent population is at least approximately normally distributed or we rely on the central limit theorem to give us a normal approximation.
  d. None of the above.



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qytan

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Answer to Question 1

D

Answer to Question 2

D




LaDunn

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Reply 2 on: Jul 24, 2018
Wow, this really help


AmberC1996

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

 

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