Question: Whats wrong? Explain what is wrong in each of the following statements. Give reasons for your answers. (a) A simple random sample was used to

What’s wrong? Explain what is wrong in each of the following statements. Give reasons for your answers.

(a) A simple random sample was used to assign a group of 30 subjects to three treatments.

(b) It is better to use a table of random numbers to select a simple sample than it is to use a computer.

(c) Matched pairs designs and block designs are complicated and should be avoided if possible.

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