Recall again that Rind & Bordia (1996) investigated whether or not drawing a happy face on customersâ€™...

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Recall again that Rind & Bordia (1996) investigated whetheror not drawing a happy face
on customersâ€™ checks increased the amount of tips received by awaitress at an upscale
restaurant on a university campus. During the lunch hour a waitressdrew a happy,
smiling face on the checks of a random half of her customers. Theremaining half of the
customers received a check with no drawing (18 points).
The tip percentages for the control group (no happy face) are asfollows:
45% 39% 36% 34% 34% 33% 31% 31% 30% 30% 28%
28% 28% 27% 27% 25% 23% 22% 21% 21% 20% 18%
8%
The tip percentages for the experimental group (happy face) are asfollows:
72% 65% 47% 44% 41% 40% 34% 33% 33% 30% 29%
28% 27% 27% 25% 24% 24% 23% 22% 21% 21% 17%
This time, you are to perform a â€œhypothesis testâ€ using the tipdata, answering each of
the questions below. For short-answer questions, be brief. However,you must give
enough detail to justify your answers. Single-sentence responseswill generally not
suffice, but do not exceed a paragraph for any given answer.
i. Obtain the appropriate test statistic. From the SPSS menuschoose Analyze
and Compare Means, followed by the appropriate test.

Answer & Explanation Solved by verified expert

4.0 Ratings (642 Votes)

Ho There is no significant difference bw happy faces and not happy faces due to tip percentage H1 There is significant difference bw happy faces and not happy faces due to tip percentage level of significance 005 Procedure in SPSS 1 Enter the data in two See Answer

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