# Question: A researcher interested in the effectiveness of organized diet groups

A researcher interested in the effectiveness of organized diet groups on weight loss weighed five clients after several weeks on the program. The weight-loss scores (in pounds) we as follows:

Calculate the

(a) Range,

(b) Inter-quartile range, and

(c) Variance and standard deviation for these weight-loss scores.

Calculate the

(a) Range,

(b) Inter-quartile range, and

(c) Variance and standard deviation for these weight-loss scores.

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