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22.Sample Size (Choosing the Right Method (Analysis of Variance (ANOVA)…
22.Sample Size
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Confidence Interval,
The uncertainty associated with sampling is defined by something called the Confidence Interval, which is also called the margin of error in some applications. You’ve likely read or seen survey or poll results reported with a margin of error: The fans are 93 percent in favor of the new team colors, +/- 2 percent. The margin of error in that particularly survey was 2 percent, or 0.02.