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Author Question: T-tests are used to test a sample mean when the population mean is unknown. Indicate whether the ... (Read 19 times)

strangeaffliction

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on: Jun 20, 2018
t-tests are used to test a sample mean when the population mean is unknown.
 
  Indicate whether the statement is true or false

Question 2

When the population standard deviation is known, z scores are appropriate to test a sample mean.
 
  Indicate whether the statement is true or false


bblaney

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Reply #1 on: Jun 20, 2018
Answer to Question 1

FALSE

Answer to Question 2

TRUE


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