1. Classify each pair of samples as independent or dependent and justify your answer. 1. Sample 1: Weights of 65 college students before their freshman year begins Sample 2: Weights of the same 65...

1. Classify each pair of samples as independent or dependent and justify your answer.

1. Sample 1: Weights of 65 college students before their freshman year begins Sample 2: Weights of the same 65 college students after their freshman year

2. Sample 1: Scores for 38 adult males on a psychological screening test for attention-deficit hyperactivity disorder Sample 2: Scores for 50 adult females on a psychological screening test for

attention-deficit hyperactivity disorder

2. Classify each pair of samples as independent or dependent.

1. Sample 1: Systolic blood pressures of 30 adult females Sample 2: Systolic blood pressures of 30 adult males

2. Sample 1: Midterm exam scores of 14 chemistry students Sample 2: Final exam scores of the same 14 chemistry students

a. Determine whether the samples are independent or dependent.

b. Explain your reasoning.