Author Question: The Canadian government would like to test the hypothesis that the standard deviation for the hourly ... (Read 71 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
The Canadian government would like to test the hypothesis that the standard deviation for the hourly wage for men is equal to the standard deviation for the hourly wage for women.
 
  The following data summarizes the sample statistics for hourly wages for men and women. Men WomenSample standard deviation 6.10 6.80Sample size 21 25Using  = 0.05, the conclusion for this hypothesis test would be that because the test statistic is ___________________ ______________.A) more than the critical value, we fail to reject the null hypothesis and conclude that the standard deviation for the hourly wage for men is equal to the standard deviation for the hourly wage for women
  B) more than the critical value, we can reject the null hypothesis and conclude that the standard deviation for the hourly wage for men is not equal to the standard deviation for the hourly wage for women
  C) less than the critical value, we reject the null hypothesis and conclude that the standard deviation for the hourly wage for men is not equal to the standard deviation for the hourly wage for women
  D) less than the critical value, we fail to reject the null hypothesis and cannot conclude that the standard deviation for the hourly wage for men is not equal to the standard deviation for the hourly wage for women

Question 2

Entertainment Software Association would like to test if the median age of gamers (those that routinely play video games) is more than 30 years old. The following table summarizes the ages of a random sample of gamers.
 
  Age Number of GamersBelow 30 12Equal to 30 4More than 30 30The appropriate nonparametric procedure for this analysis is the _________________ test.A) Wilcoxon signed-rank
  B) Kruskal-Wallis
  C) Wilcoxon rank-sum
  D) sign


Carissamariew

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

For a complete list of videos, visit our video library