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Business, 09.12.2019 07:31 XxJadexX6527

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. assuming equal variances, at α = .01, what is the tcalc?

the answer isn't 1.9018

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