Results of a poll of a random sample of 3003 American adults showed that 20% do not know that caffeine contributes to dehydration. The poll was conducted for the Nutrition Information Center and had a margin of error of t 1.4%. (a) Does the margin of error take into account any problems with the wording of the survey question, interviewer errors, bias from sequence of questions, and so forth? --Select-- v Yes or no? (b) What does the margin of error reflect? O The margin of error reflects the difference between p and u. O The margin of error reflects the difference between p and g. O The margin of error reflects the total length of a confidence interval. O The margin of error reflects the difference between p and p.
Results of a poll of a random sample of 3003 American adults showed that 20% do not know that caffeine contributes to dehydration. The poll was conducted for the Nutrition Information Center and had a margin of error of t 1.4%. (a) Does the margin of error take into account any problems with the wording of the survey question, interviewer errors, bias from sequence of questions, and so forth? --Select-- v Yes or no? (b) What does the margin of error reflect? O The margin of error reflects the difference between p and u. O The margin of error reflects the difference between p and g. O The margin of error reflects the total length of a confidence interval. O The margin of error reflects the difference between p and p.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Results of a poll of a random sample of 3003 American adults showed that 20% do not know that caffeine contributes to dehydration. The poll was conducted for the Nutrition Information Center and had a margin of error of ± 1.4%.
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