Insomnia again Exercises 10 and 22 describe an experiment investigating the
Chapter 12, Problem 24(choose chapter or problem)
Insomnia again Exercises 10 and 22 describe an experiment investigating the effectiveness of exercise in combating insomnia. Researchers randomly assigned half of the 40 volunteers to an exercise program. a) Why was it important to randomize in deciding who would exercise? b) What would be the advantages and disadvantages of using 100 subjects instead of 40?
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