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# Statistics

### Customer Question

To instill customers loyalty, aairlines, hotels, rental car companies, and credit card companies (among others) have initiated frequency marketing programs that reward their regular customers. In the United States alone 30 million people are members of the frequent flier programs of the airline industry (Rice 1993). A large fast-food restuarant chain wished to explore the profitability of such program. They randomly selected 12 of their 1200 restaurants nationwide and instituted a frequency program that rewarded customers with \$5.00 gift certificate after every 10 meals purchased at full price. They ran trial program for 3 months. The restaurants not in the sample had an average increase in profits of \$1,047.34 over the previous 3 months, whereas the restaurants in the sample had the following changes in profit.
\$2232.00 \$545.47 \$3440.70 \$1809.10 \$6552.70 \$4798.70 \$2965.00 \$2610.70 \$3381.30 \$1591.40 \$2376.20 \$-2191.00
Note that the last number is XXXXX representing a decrease in profits.
Answering the following questions using 1=.05

Which of the following is the appropriate rejection region? (TS=Test statistic)
1. -1.7961.796
4. TS1.796
5. TS1.833
Submitted: 11 years ago.
Category: Homework
Expert:  Bill replied 11 years ago.

Do you think you could clarify what you mean by "Answer the following questions using 1=.05?

Customer: replied 11 years ago.
Reply to Bill's Post: The 1 is not the symbol, it looks like a 1 with a little line going to the left. The one is the closest that I could find.
Thanks

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