The drinks datafile is available in the Data section below.
Let
μ
be the mean number of alcoholic beverages that students in the liberal arts college drink in a typical week. State the hypotheses.
Here is a histogram of the data. Can we safely use the t-test with this data? Explain.
Perform the t-test using StatCrunch. (directions) Copy and paste the information from the StatCrunch output window into your initial post.
Hypothesis test results:
Variable
Sample Mean
Std. Err.
DF
T-Stat
P-value
number of drinks per week
3.9333333
0.43592434
74
-1.8275343
0.0717
Based on the P-value, state your conclusions in context. Use a 5% level of significance. NOTE: You do not need to double the P-value for this two-tailed test. StatCrunch calculates the P-value for you.
Using the context of this scenario, explain the meaning of each of following items from the StatCrunch output for the hypothesis test.
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