Describe about the four possible outcomes for any hypothesis test.

Dr. Moo conducted a research project in which she compared the impact of two types of therapy (pizza therapy and chocolate therapy) and gender on college students’ happiness. How many null hypotheses did she have, and how would you write them?

Rock-paper-scissors is a hand game played by two or more people where players choose to sign either rock', paper', or scissors' with their hands. We would like to test if players choose between these three options randomly, or if certain options are favored above others. What hypothesis test should we conduct to answer this research question? O Compare two means O Chi square test of independence O Chi square test of goodness of fit O Compare two proportions

I don't know where to begin to build a hypothesis Test.

The testing a hypothesis, describe the step-by-step procedure?

A university has decided to introduce the use of plus and minus grading as long as there is evidence that 60% of the faculty is in support of this change. Write an appropriate null hypothesis and alternate hypothesis to test if the proportion is greater than 60%.

How do you know when a hypothesis test is left-tailed, right-tailed or two-tailed? How is this related to the alternative hypothesis?

4. Explain the procedure for testing a hypothesis using the P-value approach? What is the criterion for judging whether to reject the null hypothesis?