Chapter 11.3, Problem 10E

To determine

To explain:

Type of sample and reason for sample being biased.

Answer to Problem 10E

For the given statement type of sample is convenience sample and reason for sample being biased sample is the sport writer only uses the surveyed hat are returned.

Explanation of Solution

Given statement is “A sportswriter wants to determine whether baseball coaches think wooden bats should be mandatory in collegiate baseball. The sportswriter mails surveys to all college coaches and uses the surveys that are returned.”

From given it is observed that, it is a convenience sample.

However it is a biased sample because the sport writer only uses the surveyed hat are returned.