Question

When the background music tempo was slow, the mean amount of bar purchases for a sample of 17 restaurant patrons was $30.47 with a standard deviation of $15.10. When the background music tempo was fast, the mean amount of bar purchases for a sample of 14 patrons in the same restaurant was $21.62 with a standard deviation of $9.50.
(a) Assuming equal variances, at α = .01, is the true mean higher when the music is slow?
(b) Calculate the p-value using Excel.


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  • CreatedAugust 19, 2015
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