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A particular strand of DNA was classified into one of three genotypes: E4 /E4 , E4 /E4 , and E4 /E4 . In addition to
A particular strand of DNA was classified into one of three genotypes: E4 /E4 , E4 /E4 , and E4 /E4 . In addition to a sample of 2,097 young adults (20-24 years), two other age groups were studied: a sample of 2, 184 middle-aged adults (40-44 years) and a sample of 2,281 elderly adults (60-64 years). The accompanying table gives a breakdown of the number of adults with the three genotypes in each age category for the total sample of 6,562 adults. Researchers concluded that "there were no significant genotype differences across the three age groups" using a = 0.05. Are they correct? Click the icon to view the genotype data. X . . . Genotype Data State the null and alternative hypotheses. Ho: Age E4 /E4+ E4 /E4 E4 /E4" Sample Group Genotype Genotype Genotype Size Ha: 20-24 57 516 1,524 2,097 40-44 46 566 1,572 2, 184 Determine the test statistic. 60-64 49 564 1,668 2,281 Xc = (Round to three decimal places as needed.) Determine the p-value. Print Done The p-value is. (Round to three decimal places as needed.) State the conclusion. Ho. There sufficient evidence to conclude that The researchers are
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