MATH221 Week 5 Discussion (July 2019)

MATH 221 Statistics for Decision Making

Week 5 Discussion

CONFIDENCE INTERVAL CONCEPTS

Look in the newspapers, magazines, and other news sources for results of a survey or poll that show the confidence interval, usually shows as a +/- some amount. Describe the survey or poll and then describe the interval shown. How does knowing the interval, rather than just the main result, impact your view of the results?

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