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Author Question: As the degrees of freedom increase, the correspondence between the t and z distributions _________. ... (Read 63 times)

joblessjake

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on: Jun 19, 2018
As the degrees of freedom increase, the correspondence between the t and z distributions _________.
 
  a. increases c. remains the same
  b. decreases d. cannot be determined

Question 2

In a correlated groups experiment, if we must estimate the population standard deviation to determine the significance of the sample results, the appropriate statistical test is _________.
 
  a. t test c. z test
  b. sign test d. none of these


jennafosdick

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

A

Answer to Question 2

A


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