Question: A research study is designed to determine if gravity affects people's heights by comparing morning height to evening height. Researchers decide to measure people's height.

A research study is designed to determine if gravity affects people's heights by comparing morning height to evening height. Researchers decide to measure people's height. They collected data from 200 people randomly, they measured the same people's height two times total in the morning once and in the evening once. Which of the following should be the test that the researcher will use for analysis?

A. One way ANOVA
B. Paired t-test
C. Independent sample t-test
D. Chi-Square Test of Independence

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