Determine whether the survey question may be biased. Explain.
Do you agree with 4 out of 5 dentists that say this toothpaste will make your teeth their whitest?
If yes, than how to write?
(1) The question is not biased. Dentists probably know a lot about toothpaste
(2) The question is biased. People may agree because they think dentists would know best.
(3) The question is biased. One dentist did not agree with the others.
(4) The question is not biased. It does not lead people to believe the claim about the toothpaste.