b)
The method of asking the question(s)
c)
The type of sample they are going to use
What to Ask
A
biased answer is an answer affected by the wording of the question.
Elvis was the best musician of the 1960's?
How to Ask
Mail-in or electronic questionnaires, personal interviews, and telephone interviews are
three methods of asking questions.
Deciding
Whom to Ask
to know the most popular trucks, you could ask a sample selected randomly from a group who
sold Ford trucks.
proportion as the numbers in each group. For example, suppose a kennel club has 200 Cocker
Spaniels, 150 Poodles, and 100 German Shepherd dogs. A stratified sample might include 20
dogs selected randomly from Cocker Spaniels, 15 from Poodles, and 10 from German Shepherd
dogs.
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