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• 18:49, 4 March 2024 Rice talk contribs created page Sample Statistics (Created page with "= Confidence Interval = The '''confidence interval''' is the range of reasonable values that are intended to contain the '''parameter of interest''' with a certain '''degree of confidence'''. ''(point estimate - margin of error, point estimate + margin of error)'' ==== Example: approval ratings ==== At every time we an approve percentage and disapprove percentage. That is our point estimate. ==== Constructing CIs ==== By CLT, <math>\bar{Y} \sim N(\mu, \frac{\sigma^2}{...") Tag: Visual edit