Mathematics, 21.04.2020 03:53 rachelvasky9
A magazine claims 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 α= 0.10, 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.
Burger Stop: mean = $8.88, standard deviation = $0.82, sample size = 17
Fry World: mean = $8.25, standard deviation = $0.72, sample size = 8
Identify the claim and state H0 and Ha. Which is the correct claim below?
A. "The mean amount spent by a customer at Burger Stop is equal to the mean amount spent by a customer at Fry World."
B. "The mean amount spent by a customer at Burger Stop is greater than the mean amount spent by a customer at Fry World."
C. "The mean amount spent by a customer at Burger Stop is not equal to the mean amount spent by a customer at Fry World."
D. "The mean amount spent by a customer at Fry World is greater than the mean amount spent by a customer at Burger Stop."
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