Chapter PIII, Problem 25RE

(a)

To determine

To Explain: the reason for the conclusion is not justified and explain the kinds of bias that might be present.

Explanation of Solution

Voluntary response bias can indicate the form of bias. The concussion is not justified since those readers who feel powerful to pay for the 900 number phone calls will select their own whether or not to participate in the survey.

(b)

To determine

To Find: rewording the question in a way that could produce a more positive response.

Explanation of Solution

"A good significant response could be produced with the question" If it would allow future generations to live better, would you be in human cloning fever.