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30-11-2022
SAT

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For the following research scenario, select the most appropriate statistical method to test the hypothesis:
Researchers want to know if weight varies during the day. One hundred people are randomly selected and have their weights measured in the morning and in the evening. Assume the changes in weight follow a normal distribution. Test the hypothesis at the alpha level of 0.05 that the weight changes in the morning and afternoon = 0.

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