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Author Question: Assuming that the population mean is 47.2 and the population deviation is 6.4, what is the zobt ... (Read 125 times)

Mollykgkg

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on: Jun 19, 2018
Assuming that the population mean is 47.2 and the population deviation is 6.4, what is the zobt value for a sample mean of 52.1 if N = 8?
 
  a. 1.96 c. 1.73
  b. 2.17 d. 0.77

Question 2

The critical value of the statistic _________.
 
  a. is independent of alpha
  b. is equal to alpha
  c. is always the same in the z distribution
  d. depends on alpha


cat123

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

B

Answer to Question 2

D


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