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Men with high blood pressure are assigned at random to four diets: 1) normal diet with...

  1. Men with high blood pressure are assigned at random to four diets: 1) normal diet with unrestricted salt 2) vegetarian with unrestricted salt, 3) normal diet with restricted salt, and 4) vegetarian with restricted salt.

  1. what are the factors, and how many levels of each factor are there?

Suppose you were concerned that men’s weight (underweight, normal, overweight, obese) could affect the outcome of this study. Explain how you could use blocking to assign 100 men to the 4 treatment groups.

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