Save Question 17 (5 points) A doctoral student found documentation that drinking

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Save Question 17 (5 points) A doctoral student found documentation that drinking more water leads to weight gain. He is skeptical because of conflicting rmas and warts to test on whether drinking more water causes s gniart weight loss or ?9nlant weight gan. He "ants to use a sample of participants before and after drinking some amount of water. Which two tests would best fit what he is trying to accomplish? C One-tailed test, paired samples t-test One-tailed test, independent samples t-test Two-tailed test, independent samples t-test ?Twotaled test, pared samples t-test Save 0

Explanation / Answer

Correct answer: option (D) Two tailed test, Paired sample t - test

Since doctor collect the weight of the patients before and after drinking water. So patients are not independent i.e. paired sample. He test whether weight loss or weight gain (two tailed test)

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