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A magazine claims that the mean amount spent by A customer at Burger barn is greater than the mean amount spent by A customer at Burger fry. The results for samples of customer transactions for the two fast food restaurants are shown below. At a=.01, 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. Complete c through e.
Burger barn
-x1= $11.46
s1= $.89
n1 = 12
Burger fry
-x2= $10.83
s2= $.64
n2= 10
C. Find the standardized test statistic.
D. Decide whether to reject or fail to reject the null hypothesis.
E. Interpret the decision in the context of the original claim.
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