Question: Another (clearly inferior) statistics textbook includes an exercise in which students are given the mean income for each of the 50 states. The students are

Another (clearly inferior) statistics textbook includes an exercise in which students are given the mean income for each of the 50 states. The students are then asked to compute the mean of those 50 values. Is the result the mean income for the U.S. population? Why or why not?

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No Because the states have different population sizes the mean cannot be found by adding the 50 state means and dividing the total by 50 The mean income for the US population can be found by using a weighted mean that incorporates the population size ... View full answer

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