Anonymous

Question description

A magazine claimes that the mean amount spent by a customer at Burger Stop is greater than the mean amount spent by a customer at Fry World. The results for samples of customer transactions for the two fast food restaurants are shown below. At ? = .20, can you support the magazine's claim? Assume the population variances are equal. Assume the samples are random and independent, and the populations are normally distributed.

Xbar1=9\$9.73

Xbar2=\$9.10

S1=\$0.83

S2=\$0.72

N1=12

N2=10  Lowercase N’s

Find the standardized test statistic

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