Question

Suppose that a group of 10 people join a weight loss program for 3 months. Each person's weight is recorded at the beginning and at the end of the 3-month program. To test whether the weight loss program is effective, the data should be treated as:

A) independent samples using the normal distribution.

B) paired samples using the t-distribution.

C) independent samples using the t-distribution.

D) independent proportions.

Answer

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