A psychologist would like to examine the effects of sugar consumption on the activity level of preschool children. On the day of the study, a sample of 10 children does not receive any sugar. Another sample of 10 children is given sugary foods to consume. The psychologist records the activity level for each child. A. Single-sample z-test B. Single-sample t-test C. Independent samples t-test D. Related samples t-test (repeated measures or matched samples) E. Correlation

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1. A psychologist would like to examine the effects of sugar consumption on the activity level of
preschool children. On the day of the study, a sample of 10 children does not receive any sugar.
Another sample of 10 children is given sugary foods to consume. The psychologist records the activity
level for each child.

A. Single-sample z-test
B. Single-sample t-test
C. Independent samples t-test
D. Related samples t-test (repeated measures or matched samples)
E. Correlation

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