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Author Question: In a study in which scores on a math test are being used as a dependent variable, the researcher ... (Read 42 times)

roselinechinyere27m

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on: Aug 4, 2018
In a study in which scores on a math test are being used as a dependent variable, the researcher discovers that the scores are positively skewed. This violates the assumption of normality for the t-test that the researcher planned to use.
 
  The best solution for the researcher is to
 
  A) not use the t-test because the results may not be valid.
  B) use another test that does not have the same assumptions.
  C) check if the t-test is robust to violations of normality.
  D) prorate the data so it fits a normal curve.

Question 2

If an assumption of a statistical test can be violated without threatening the validity of the conclusions drawn, the test is said to be ________ to violations of that assumption.
 
  A) withstanding
  B) robust
  C) strong
  D) powerful
 
  Fill in the blank with the correct answer.


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CharlieArnold

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Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


roselinechinyere27m

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Reply #2 on: Aug 4, 2018
Thanks


CharlieArnold

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Reply #3 on: Aug 4, 2018
Welcome :)


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