This topic contains a solution. Click here to go to the answer

Author Question: In a study in which scores on a math test are being used as a dependent variable, the researcher ... (Read 51 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CharlieArnold

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B





 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

For a complete list of videos, visit our video library