Q5. A restaurant corporation wants to know if weather affects tip size. They studied the size of a tip in a restaurant w

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Q5 A Restaurant Corporation Wants To Know If Weather Affects Tip Size They Studied The Size Of A Tip In A Restaurant W 1 (86.6 KiB) Viewed 24 times

Q5. A restaurant corporation wants to know if weather affects tip size. They studied the size of a tip in a restaurant when the weather outside was good and when the weather outside was poor. They wanted to know whether the presence of good weather influenced patrons to tip higher. Below are the tips as a percent of the bill from a random selection of patrons. Consider Good Weather "Population 1" and assume the conditions are satisfied. Use df = 10. MEAN State the Hypotheses: STANDARD SAMPLE DEVIATION SIZE 2.8 6 20.7 GOOD WEATHER POOR WEATHER 17.7 2.7 6 Calculate the test statistic and p-value. Calculate the 95% confidence interval. Make a four-part conclusion.