Bellow is an output from excel about SAMPLE data. (use tintervals4.scores todo Find missing quantities and do 95% confidence interval. \bar{x}-t_{0.025 .9}\left(\frac{s}{\sqrt{n}}\right) \leq \mu \leq \bar{x}+t_{0.025 .9}\left(\frac{s}{\sqrt{n}}\right)

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