Mathematics, 05.12.2019 23:31 savannahsharp4463
When the background music tempo was slow, the mean amount of bar purchases for a sample of 19 restaurant patrons was $30.44 with a standard deviation of $15.90. when the background music tempo was fast, the mean amount of bar purchases for a sample of 14 patrons in the same restaurant was $21.17 with a standard deviation of $9.10. assuming equal variances, at α = 0.10, is the true mean higher when the music is slow?
Answers: 3
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