What is the rejection region for this test

Assignment Help Basic Statistics

Reference no: EM133411599

Question: A study randomized children aged 5 to 12 to either a new intervention for higher calcium levels or to standard care (16 per group). The mean increase in calcium levels for the intervention group was 978 with a standard deviation of 313. In the control group the mean change was 773 with a standard deviation of 268.

a) What is the rejection region for this test? (df=n1+n2-2)

b) Test at a=0.05 if there is a statistically significant difference in mean change in calcium levels between the two study groups.

Reference no: EM133411599

Questions Cloud

How an improvement can help you to move ahead in your career : your personal strengths and needs- give specific examples what surprised you, if anything in what you learned what didn't surprise you plan of action to improve

How many different kitchen remodels could be done : countertop choices, and 16 different types of flooring. How many different kitchen remodels could be done using these material choices

Proportion has indeed changed : Can he conclude, at the 0.10 level of significance, that the proportion has indeed changed

Provide brief description of the product or service : Provide a brief description of the product or service. Develop a organizational structure/chart for the company. Develop a mission statement.

What is the rejection region for this test : What is the rejection region for this test - Test at a=0.05 if there is a statistically significant difference in mean change in calcium levels between

Individual perception of business : Describe how the company's actions may impact an individual's perception of business in the Philippines.

What would be possible avenues to pursue for donors : What would be possible avenues to pursue for donors to support the collaborative efforts between River City Parks and Recreation and ORG?

Do you support or reject the organizations claim : Assume the population standard deviation is 12.5 milligrams. At a=0.05, do you support or reject the organization's claim using the p-value

Identify any potentially harmful impacts on the environment : Ethical Considerations: Even if there are no apparent ethical considerations, note here that you have at least considered this fact Effective Solution Formula

User Account

All Pages