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QUESTION:

An advertiser is experimenting with a new color scheme and conducts a study to test its effectiveness. In which situation could they use the two-sample t-test for comparing two population means?

ANSWER:

They randomly expose consumers to one website when they land on their page: the old one with the original color scheme or the new one with the updated color scheme. Then they measure to see how much people buy.

Good Job! Since participants in this study were randomized to two different groups the data obtained from this study should be analyzed using the two (independent) samples t-test.

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