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In: Statistics and Probability

a) USA Today provided a “snapshot” illustrating poll results from 21944 subjects. The illustration showed that...

a) USA Today provided a “snapshot” illustrating poll results from 21944 subjects. The illustration showed that 43 % answered “yes” to this question. “Would you rather have a boring job than no job? “The margin of error was given as +/- percentage point. What important feature of the poll was omitted?
b) For the poll described part “a” we see that 43% of 21944 people polled answered “yes” to the given question. Given that 43% is the best estimate of the population percentage. Why would we need a confidence interval? That is, what additional information does the confidence interval provide? Briefly explain.

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orchestra answered 1 year ago
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