Suppose that we want to perform a hypothesis test to decide

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Hypothesis tests are proposed. For each hypothesis test. (a) Identify the variable, (b)identify the two populations, (c)determine the null and alternative hypothesis, (d)classify the hypothesis test as two tailed,left tailed,or right tailed.

Spending at the mall. An issue of USA Today discussed the amounts spent by teens and adults at shopping malls. Suppose that we want to perform a hypothesis test to decide whether the mean amount spent by teens is less than the mean amount spent by adults.

Age of car buyers. Suppose that we want to perform a hypothesis test to decide whether the mean age of buyers of new domestic cars is greater than the mean age of buyers of new imported cars.

Reference no: EM13614576

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