A surveyor wants to know how many shoppers at a mall like to read books. He surveys 100 people coming out of a bookstore at the mall. Why is the sample biased?

A.
There are not enough people in the sample.

B.
People who shop in bookstores are likely to read more books than those who do not.

C.
It is unlikely that people who shop in bookstores are interested in surveys.

D.
The surveyor did not sample the entire population at the mall.

Question

A surveyor wants to know how many shoppers at a mall like to read books. He surveys 100 people coming out of a bookstore at the mall. Why is the sample biased?
 
 A.
There are not enough people in the sample.
 
 B.
People who shop in bookstores are likely to read more books than those who do not.
 
 C.
It is unlikely that people who shop in bookstores are interested in surveys.
 
 D.
The surveyor did not sample the entire population at the mall.

johnweldon1993 · Answer

Well think about it

If I wanted to know how many people like pizza...would I go to dominos? No because obviously they do...so this study is bias because the people coming out of the book store, you can bet, like to read