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Author Question: Increasing the true variance and the observed variance by the same amount will increase the test's ... (Read 29 times)

nelaaney

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  • Posts: 560
on: Jun 19, 2018
Increasing the true variance and the observed variance by the same amount will increase the
  test's
 
  A) validity. B) arithmetic mean.
  C) error variance. D) reliability.

Question 2

Given that the mean WAIS IQ is 100 and the standard deviation is 15, if Johnny's WAIS IQ is 125
  what is his corresponding z score?
 
  A) 1.67 B) 2.00 C) 2.33 D) -1.67


Dominic

  • Sr. Member
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  • Posts: 328
Reply #1 on: Jun 19, 2018
Answer to Question 1

D

Answer to Question 2

A


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