8.79 Fear Factor II Exercise 8.21 discussed a research poll done by EKOS Research to determine whether
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8.79 Fear Factor II Exercise 8.21 discussed a research poll done by EKOS Research to determine whether Canadians think the world is more dangerous today than 25 years ago. Suppose you were designing a poll of this type.
a. Explain how you would select your sample. What problems might you encounter in this process?
b. If you wanted to estimate the percentage of the population who agree with a particular statement in your survey questionnaire correct to within 1%, with probability 0.95, approximately how many people would have to be polled?
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Related Book For
Introduction To Probability And Statistics
ISBN: 9780176509804
3rd Edition
Authors: William Mendenhall
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