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Princessklo82 Princessklo82
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7 years ago
A researcher administers a treatment to a sample of participants selected from a population with  = 80. If a hypothesis test is used to evaluate the effect of the treatment, which combination of factors is most likely to result in rejecting the null hypothesis?
 
  A) A sample mean near 80 with  = .05
  B) A sample mean near 80 with  = .01
  C) A sample mean much different than 80 with  = .05
  D) A sample mean much different than 80 with  = .01

Question 2

What is the standard error of estimate for a multiple regression equation with two predictor variables?
 
  A) the square root of (SSresidual/(n - 2))
  B) the square root of (SSresidual/(n - 3))
  C) the square root of (SSregression/(n - 2))
  D) the square root of (SSregression/(n - 3))

Question 3

When is there a risk of a Type II error?
 
  A) Whenever H0 is rejected
  B) Whenever H1 is rejected
  C) Whenever the decision is fail to reject H0
  D) The risk of a Type II error is independent of the decision from a hypothesis test.
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leahx3leahx3
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Princessklo82 Author
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7 years ago
Marking this solved, moving on to the next...
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