IU Students and Drinking: Hypothesis Questions

Pages: 3 (556 words) Published: September 27, 2010
1.Create a new variable WHISCO that tells us the liking for whiskey and scotch combined. What is the mean of this new variable? 3.3581

2.What is the mean liking for regular beer for the females that

completed the survey? 3.0571

3.Create a new variable HARD that tells us the liking for whiskey, gin, rum and scotch combined. What is the mean of this new variable?3.7703

4.What is the mean liking for whiskey for the males that completed the
survey?4.7105

---------------------------------------------------------------------------------------------------------------------------- The following two statements are Null Hypotheses written in English. For each, rewrite the null using mathematical symbols and notation as shown in the ClassPak. The statement in parentheses refers to the Alternative Hypothesis for each.

5. On average IU students go out 2.5 nights or more per week.  (The alternative hypothesis is that IU students go out less than 2.5 times per week.)

Ho: μNights >= 2.5
Ha: μNights < 2.5

6. On average IU students drink exactly 5 1/2 drinks in an average night out.  (The alternative hypothesis is that IU students do not drink 5 1/2 drinks per night out.)

Ho: μDrinks = 5.5
Ha: μDrinks ≠ 5.5

Use SPSS to calculate a p-value for each of the null hypotheses you have written in 5 and 6 above:

7. (from #5) .781

8. (from #6) .005
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9.For the null hypothesis H0: IU students have, on average, exactly $60 per week for entertainment, what is the p-value?.025

10.Using the output for #9, what is the p-value for the null hypothesis that IU students have > $60 per week for entertainment?.9875

11.Again using the output for #9, what is the p-value for the null hypothesis that IU...
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