Outcome of the hypothesis test

Reference no: EM1398334

n =25 children who attended day care before starting school had an average score of M = 87 with SS = 1536 on a standardized math test for which the population mean is M= 81.

a. Is this sample sufficient to conclude that the children with a history of preschool day care are significantly different from the general population? Use a two tailed test with = .01.

b. Compute Cohen's d to measure the size of the preschool effect.

c. Write a sentence showing how the outcome of the hypothesis test and the measure of effect size would appear in a research report.

Reference no: EM1398334

Questions Cloud

Creating pedigree chart : Bonnie and David had five children: two boys, both of whom had Menkes disease, and three girls who were all unaffected. Two of the three girls, Rose and Elizabeth, married.

Estimating the monthly cost of electricity : They decide to sample some fast-food restaurants currently operating to estimate the monthly cost of electricity. They want to be 90% confident of their results and want the error of the interval estimate to be no more than $100.

Best model selection critiria : Compare two models. Model #1 has an r-squared of .55 and an adjusted r-squared of .50. Model #2 has an r-squared of .52 and an adjusted r-squared of .51. Given this information, what model should you use?

Explain ethical decision making from self-assessments : What did you learn about own ethical decision making from self-assessments? Determine the effect of professional ACHE standards on ethical decision making?

Outcome of the hypothesis test : Write a sentence showing how the outcome of the hypothesis test and the measure of effect size would appear in a research report.

Linear programming-valley fruit products company : Valley Fruit Products Company has contracted with apple growers in Ohio, Pennsylvania, and New York to purchase apples that the company then ships to its plants in Indiana and Georgia

Human resources management process model : Human Resources Management - the key to strategic success - Choose two HRM activities from the ‘Human Resources Management Process' model.

Use theory of liquidity preference to show influence policy : The Federal Reserve expands money supply by 5%. Use theory of liquidity preference to show the influence of this policy on interest rate.

Computing the probability that the sample mean : A normal population has a mean of 75 and a standard deviation of 5. You select a sample of 40. Compute the probability the sample mean is:

User Account

All Pages