13.77 According to the Bureau of the Census, 36% of U.S. adults in the $20,001$35,000 income group...

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13.77 According to the Bureau of the Census, 36%

of U.S. adults in the $20,001–$35,000 income group participated in adult education during the most recent reporting year. Data for this and other groups are shown here.

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Assuming independent samples of 1000 for each of these income groups, use the 0.10 level of significance in testing the null hypothesis that 1 5 2 5 3.

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