THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 12

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
An investor studied the percentage rates of return of three different types of mutual funds.Random samples of percentage rates of return for four periods were taken from each fund.The results appear in the table below:
Mutual Funds

-At the 0.05 level of significance,test the null hypothesis that the mean percentage rates are the same for all three funds.

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Definitions:

Open Practices

Practices in research and scholarship that promote accessibility, transparency, and accountability, which include open access publishing, open data, and open methodology.

Transparency

The quality of being open, communicative, and accountable, making actions, decisions, and processes easy to understand and scrutinize.

Independent Variable

A variable that is manipulated in an experiment to see if it causes a change in another variable.

Confounding Variable

A factor other than the independent variable that might produce an effect in an experimental design, thus confounding the results.