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Confidence Intervals Applet

Confidence Intervals Applet

This applet facilitates investigation of confidence intervals. The display shows a large jar of balls, some blue and some orange. At the user’s instigation, a sample of balls is taken from the jar. In a plot below, the applet draws a bar representing a confidence interval for the percentage of orange balls in the jar as computed from the sample. The user can select the confidence level and sample size and can use the applet to plot side-by-side...

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