A researcher believes that college students tend to maintain a healthier diet and, consequently, weight, during early adulthood than their peers not enrolled in college. In a study sponsored by Tullys, you are responsible for comparing the mean BMI of a random sample of PSU Berks students to the CDC database about the 18-21 age group across the nation.   What test would you use and why? (z test, independent t test, single sample t test, paired samples

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A researcher believes that college students tend to maintain a healthier diet and, consequently, weight, during early adulthood than their peers not enrolled in college. In a study sponsored by Tullys, you are responsible for comparing the mean BMI of a random sample of PSU Berks students to the CDC database about the 18-21 age group across the nation.

 

What test would you use and why? (z test, independent t test, single sample t test, paired samples)

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