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The chi-square goodness-of-fit test serves as a useful tool to ensure that statistical samples…

The chi-square goodness-of-fit test serves as a useful tool to ensure that statistical samples approximately match the desired stratification proportions of the population from which they are drawn. A researcher wishes to determine if her randomly drawn sample matches the racial stratification of school age children. She used the most recent U.S. Census data, which was from 2001. The racial composition of her sample and the 2001 U.S. Census proportions are displayed in Table 8.18. Use a chi-square goodness-of-fit test with a = 0.05 to determine if the researcher's sample matches the proportions reported by the U.S. Census. Report your findings.

The chi-square goodness-of-fit test serves as a useful tool to ensure that statistical samples...