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Author Question: Selection bias is a threat to external validity. a. True b. False Indicate whether the ... (Read 82 times)

formula1

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on: Jun 19, 2018
Selection bias is a threat to external validity.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

The summary of numerical responses from a sample of a population is called a parameter.
 
  a. True
  b. False
  Indicate whether the statement is true or false


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Li Jun

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

True

Answer to Question 2

False


formula1

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Reply 2 on: Jun 19, 2018
:D TYSM

duy1981999

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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