Bias in Clinical Trials Researchers investigated the issue of race and equality of access to clinical trials.

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Bias in Clinical Trials Researchers investigated the issue of race and equality of access to clinical trials. The table on the top of the next page shows the population distribution and the numbers of participants in clinical trials involving lung cancer (based on data from “Participation in Cancer Clinical Trials,” by Murthy, Krumholz, and Gross, Journal of the American Medical Association, Vol. 291, No. 22). Use a 0.01 significance level to test the claim that the distribution of clinical trial participants fits well with the population distribution. Is there a race>

ethnic group that appears to be very underrepresented?

Race , ethnicity White non-Hispanic Hispanic Black Asian , Pacific Islander American Indian , Alaskan Native Distribution of Population 75.6%
9.1%
10.8%
3.8%
0.7%
Number in Lung Cancer Clinical Trials 3855 60 316 54 12

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