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Test on equality of variances of salaries of men and women purchasing managers F test to compare two variances data: salary by group F =
Test on equality of variances of salaries of men and women purchasing managers F test to compare two variances data: salary by group F = 0.39258, num df = 9, denom df = 9, pvalue = 0.1799 alternative hypothesis: true ratio of variances is not equal to 1 95 percent confidence interval: 0.09751114 1.58052194 sample estimates: ratio of variances 0.3925793 Which of the following is(are) TRUE based on the output of the test on 4 points equality of variances of salaries of men and women purchasing managers. at 5% level of significance? l. The decision is to reject the null hypothesis since the p-value (0.1799) is large enough (greater than 0.05) ||. The conclusion is "the assumption for homogeneity of variances is NOT satisfied" * O C. Both | and H O D. Neither I nor || Histogram of the urinary AGT levels 00 pm f the \"ma" A67 'evels 25 I 1000 20 I 800 "WWW m 6 | urinary 200 400 600 0 o 200 400 500 800 1 000 1 200 Which of the following is(are) TRUE based on the histogram and GO plot 4 points of the urinary AGT levels? I. Based on the histogram, urinary AGT levels do not seem to follow the normal distribution because the graph does not resemble a bell-shaped distribution. ll. Based on the CO plot. urinary AGT levels do not seem to follow the normal distribution because the plotted points do not lie close to a straight line. * A. I only B. II only C. Both I and II 0000 D. Neither I nor ll
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