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Margin of Error and Confidence Levels: Make the Most of Your Customer Surveys - MSNThe Dark Side of Confidence Levels. A 95% level of confidence means that 5% of the surveys will be off the wall with numbers ...
Next, assuming you want a confidence level of 95% (typed as 0.95) and have a sample size of 50, and a standard deviation of 26.319, click on a cell and type "=CONFIDENCE.T (0.95,26.319,50), which ...
As the director of the Quinnipiac University Poll, which has been taking the pulse of the public on policy issues and elections for the past 30 years, I’ve noted that people have been paying ...
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