I. Do people who drink coffee, drink less alcohol? Researchers were interested in comparing how much coffee a person drinks to the number of alcoholic beverages they consume. Coffee: number of cups of coffee consumed in a week Alcohol: number of alcoholic beverages consumed in a week a. Conduct a t-test to determine if there is a difference in how much coffee a person consumes and how much alcohol a person consumes. Use the following information to answer questions:

Mean	SD	SEM
Group 1	1.48	3.69	0.17
Group 2	2.18	4.41	0.20

Inferential Statistics

df	t	p	cohen'sd	Mean Diff
499	-2.76	.006	-0.17	-0.70

b. Answer questions 1-4 1. The appropriate analysis for this research question would be a t-test for ____________ samples (circle one). independent or paired 2. Write out the statistical hypotheses (use population parameters): H0:

Ha: 3. Which hypothesis is supported by the analysis (circle one)? H0 or Ha 4. In words, describe what the results of the analysis indicate.