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Descriptive statistics summarize features of a sample, such as mean and standard deviations, median and quartiles, the maximum and minimum. With multiple variables, may include correlations and crosstabs. Can include visual displays - boxplots, histograms, scatterplots and so on.

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Are these statements about Confidence Interval correct?

These are statements I got from a pile of homework my colleagues have submitted for a statistics course "...(if) mean is contained in the confidence interval, we can tell that there is a 95% probabi …
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