M4 Assignment Q1) One-Sample t- Test (14 points total) I am shopping for a new sedan and would like to get one with excellent miles per gallon (MPG)....

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a. Identify the dependent variable (this is the outcome measure) and the independent variable (this is what differentiates the two groups of data points being compared).

b. Specify the type of t test appropriate for answering this research question. Explain your rationale

c. What would be the null and alternative hypotheses in both words and symbol notations?

Perform the steps below to get the t statistic for the sample:

t

t

i. Compare the t statistic with the critical t value. Is the calculated t statistic more extreme or less extreme than the critical t value? Then make a decision about the hypothesis test, stating explicitly "reject" or "fail to reject" accordingly.

k. Calculate the standardized effect size of this hypothesis test

Extra Credit Question (1 point)

Describe a research question that requires a paired-samples t test and explain why this particular type of t test is the best way to answer the research question.