Each student should estimate the length of the classroom. The values should be based on visual estimates,
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Each student should estimate the length of the classroom. The values should be based on visual estimates, with no actual measurements being taken. After the estimates have been collected, construct a confidence interval, then measure the length of the room. Does the confidence interval contain the actual length of the classroom? Is there a “collective wisdom,” whereby the class mean is approximately equal to the actual room length?
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