Question: 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

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, measure the length of the room, then test the claim that the sample mean is equal to 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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