Math, asked by atiqah13072000, 11 hours ago

Chan et al. (A-9) developed a questionnaire to assess knowledge of prostate cancer. There were a total of 36 questions to which respondents could answer “agree,” “disagree,” or “don’t know.” Scores could range from 0 to 36. The mean scores for Caucasian study participants were 20.6 with a standard deviation of 5.8, while the mean scores for African-American men was 17.4 with a standard deviation of 5.8. The number of Caucasian study participants was 185, and the number of African-Americans was 86.Can you conclude that the mean of Caucasian study is less than African-Americans. Also find 90% Confidence interval for (u1 –u2) and interpret it.​

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Answered by vg5610767
0

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