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Author Question: Regarding inferences about the difference between two population means, the sampling design that ... (Read 29 times)

BRWH

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on: Aug 1, 2018
Regarding inferences about the difference between two population means, the sampling design that uses a pooled sample variance in cases of equal population standard deviations is based on
 a. research samples.
 b. pooled samples.
 c. independent samples.
  d. conditional samples.

Question 2

Of the two production methods, a company wants to identify the method with the smaller population mean completion time. One sample of workers is selected and each worker first uses one method and then uses the other method. The sampling procedure being used to collect completion time data is based on
 a. worker samples.
 b. pooled samples.
 c. independent samples.
  d. matched samples.


spencer.martell

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Reply #1 on: Aug 1, 2018
Answer to Question 1

c

Answer to Question 2

d


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BRWH

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Reply #2 on: Aug 1, 2018
Both answers were spot on, thank you once again


spencer.martell

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Reply #3 on: Aug 1, 2018
Great! Please up vote :D


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