Test hypothesis that population trimmed mean is exactly 4.8

Reference no: EM131397245

A standard measure of aggression in 7-year-old children has been found to have a 20% trimmed mean of 4.8 based on years of experience. A psychologist wants to know whether the trimmed mean for children with divorced parents differs from 4.8.

Suppose X¯ t = 5.1 with sw = 7 based on n = 25. Test the hypothesis that the population trimmed mean is exactly 4.8 with α = 0.01.

Reference no: EM131397245

Questions Cloud

How your investigation would prove mary jane’s innocence : After your investigation, you confirm that the e-mails Billy submitted were falsified and Mary Jane was set up. Write a brief report on how your investigation would prove Mary Jane's innocence.

Plot the points and comment on the assumption : Verify that for the following pairs of points, the least squares regression line has a slope of zero. Plot the points and comment on the assumption that the regression line is straight.

What is the purpose or thesis of the website : Please critique a website of your choice. This should be a traditional website and not a social media platform or app. Please provide a well thought-out analysis in essay/paragraph format that covers all the topics below. Make use of heading and s..

How can these results be used to make changes on campus : What do the results suggest? What factors could have affected the results? How can these results be used to make changes on campus?

Test hypothesis that population trimmed mean is exactly 4.8 : Suppose X¯ t = 5.1 with sw = 7 based on n = 25. Test the hypothesis that the population trimmed mean is exactly 4.8 with α = 0.01.

Research and secure the sec 10-k annual report : You will be asked to select a company that is publically traded. You must research and secure the SEC 10-K Annual Report for the most recent year

What are the effects of training group : What are the effects of training group (blue, red or yellow group) and gender on work performance scores? Provide the IV, DV, Covariate, and best method of analysis.

Test the hypothesis that the average percentage is 45 : The mean and standard deviation of these values are X¯ = 46.4 and s = 11.27. Assuming normality, test the hypothesis that the average percentage is 45 with α = 0.05.

What follow-up procedures would you use : What follow-up procedures would you use to determine more about the nature of each exception? (Describe a follow-up procedure that would be used to determine more about the nature of each exception).

User Account

All Pages