Treatment effect and plans to use a two-tailed hypothesis

Reference no: EM1322024

A researcher is evaluating the influence of a treatment using a sample selected from a normally distributed population with a mean of m = 80 and a standard deviation of s = 20. The researcher expects a 12-point treatment effect and plans to use a two-tailed hypothesis test with a = 0.05.

1. Compute the power of the test if the researcher uses a sample of n = 16 individuals.

2. Compute the power of the test if the researcher uses a sample of n = 25 individuals.

Reference no: EM1322024

Questions Cloud

Special inspections on an imported food : Suppose that a country requires special inspections on an imported food but it exempts domestic production from similar inspection.

Experience a failing promotional campaign : Analyze why the promotion failed and recommend how it could be fixed if that same promotion was to be recycled this year.

Hypothesis test using chi-square statistic : Is there any reasonable explanation for the two months that have the highest frequencies?

Various ways which distribution adds value : Describe the various ways that distribution adds value (or utility) to a product or service, the impact that wholesalers and retailers have on that value, and how it can be used as a competitive advantage.

Treatment effect and plans to use a two-tailed hypothesis : The researcher expects a 12-point treatment effect and plans to use a two-tailed hypothesis test with a = 0.05.

Development and change effort : Discuss an organization development and change effort that has been attempted in some organization with which you are familiar. Was it successful?

Purpose of the european monetary system : What are the main differences between currency swaps, options an futures? What was the purpose of the European monetary system? Describe how it functioned and performed?

Calculating appropriate test statistic : Calculate the appropriate test statistic to test the hypotheses related to the concern and test at 5% and 1%.

Controllable margin and total contribution : The accounting manager has supplied you with this data and untraceable cost of $500,000. The accounting manager has supplied you with this data and asked you to come up with the controllable margin, total contribution, CPC, and operating income.

User Account

All Pages