This applet allows users to simulate sampling from a bag of Reese's Pieces. The computer keeps track of each sample and estimates the proportion of orange pieces. Users can set the sample size, number of samples, and population proportion of orange pieces. A dotplot of the sample proprotions is shown.
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9 years ago
I thought that the applet gave a good visualization of the sampling process. It was also helpful to see how changing the sample size and theta affected the appropriateness of the normal approximation.
The notation for the population proportion, theta, seems inconsistent with most textbooks.
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