If the 1,017 People in the Previous Question Had Called

question 5

Multiple Choice

If the 1,017 people in the previous question had called a 900 number to give their opinions, how would this have affected the response?

• A) Not at all, because the width of the confidence interval depends only on the sample size, and not on the population size.
• B) Not at all, because the width of the confidence interval depends only on the sample size, and not on how the sample was obtained.
• C) It would be wider because voluntary response polls have a bigger margin of error than simple random samples.
• D) It would be narrower because voluntary response polls are less variable than simple random samples.
• E) A confidence interval makes no sense for a voluntary response sample.

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Definitions:

Constipation

A common digestive condition characterized by infrequent bowel movements, difficulty passing stools, or experiencing incomplete evacuations.

Bowel Movement

The act of expelling feces from the digestive tract through the anus.

Stools

The excrement released from the intestines through the rectum; also refers to types of seats without back support.

Hemorrhoids

Swollen and inflamed veins in the rectum and anus that cause discomfort and bleeding.