Which of the following represents the a scenario for which a two-sample t-test w

Question

Which of the following represents the a scenario for which a two-sample t-test would be relevant?

Determining whether or not to add a traffic light to intersection A by comparing the risk of getting into an accident at intersection A to the risk of getting into an accident at intersection B.

Comparing the mean price ($) for cigarettes purchased at a gas station, a chain supermarket, and a neighborhood store.

Distinguising between the efficacy of two high school sexual education program by comparing the proportion of sexually active students who report safe sex practices.

Comparing the average cost of fruit ($) in an affluent neighborhood and an impoverished neighborhood.

Explanation / Answer

Which of the following represents the a scenario for which a two-sample t-test would be relevant?

Comparing the average cost of fruit ($) in an affluent neighborhood and an impoverished neighborhood.

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