Explain how you would use Table V to find the two χ2-values that divide the area under a χ2-curve into a middle 0.95 area and two outside 0.025 areas. Find these two χ2-values for a χ2-curve with df = 14.
Answer to relevant QuestionsIt can be shown that the square of a standard normal variable has the chi-square distribution with one degree of freedom. Use that fact to show, for a chi-square curve with one degree of freedom, that χ2 α = z2 α/2. Distribution: 0.2, 0.1, 0.1, 0.3, 0.3; Observed frequencies: 29, 13, 5, 25, 28; Significance level = 0.10 We have provided a distribution and the observed frequencies of the values of a variable from a simple random sample ...Observing that the proportion of blue M&Ms in his bowl of candy appeared to be less than that of the other colors, R. Fricker, Jr., decided to compare the color distribution in randomly chosen bags of M&Ms to the theoretical ...Table 12.4 on page 482 showed the calculated sums of the observed frequencies, the expected frequencies, and their differences. Strictly speaking, those sums are not needed. However, they serve as a check for computational ...Refer to Table 12.12. a. Group the bivariate data for the two variables into a contingency table. b. Determine the conditional distribution of political party affiliation within each class level. c. Are the variables ...
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