Discussion - During the recent election season
Discussion
During the recent election season, you saw many instances where polls were taken and reported, along with the confidence level of the estimate. For example, a poll showed that one candidate had a ""voting for" level of 37%+/-4. The opposing candidate had a score of 39%+/-4 at a 95% confidence level. Because the poll is not a census sample, a sample may be "good" but will have variation around the TRUE population proportion or mean. Thus, the poll is an estimate. The +/- value establishes a range within which the true population proportion is said to be, give a certain level of confidence.
However, the reporter said that the second candidate had "a slight lead". Is this a true statement? Why could it be argued that the scores are "statistically the same"?
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Solution: Discussion - During the recent election season