academy. org/math/ap-statistics/chi-squat hi-square goodness-fit/quiz/ chi-square-tests-quiz-1?open=1 Quiz 1 ua A city has 4 voting districts. Records from previous years show what proportion of residents live in each district. A political analyst wondered if those proportions still held true, so they took a random sample of 120 residents. Here are their results along with a chi-square goodness-of-fit test: District A B C D Hypothesized 0.39 0.27 0.15 0.19 Observed 58 12 28 Expected 46.80 32.40 18.00 22.80 Sum Components 2.68 3.34 2.00 1.19 2 9.20, DF = 3 P-value = 0.027 Assume that all conditions for inference were met. At the o = 0.05 significance level, what should the analyst conclude about the proportion of residents living in each district? Choose 1 answer: There is sufficient evidence to conclude that the proportions from previous years are no longer A true. 4 of 5 . . .Oo Check of-fit testacademy. org math/ap-statistics/chi-square-tests/chi-square goodness-fit/quiz/ chi-square-tests-quiz-1 ?open-1 Unit Quiz 1 squa F -value = U.vz Assume that all conditions for inference were met. Not feeli At the o = 0.05 significance level, what should the analyst conclude about the proportion of residents living in each district? 320 / 7 Choose 1 answer: Mastery (A There is sufficient evidence to conclude that the proportions from previous years are no longer true . Skill Sum We don't have enough evidence to conclude that the proportions from previous years are no Chi-squar B longer true. C There is sufficient evidence to conclude that the proportions from previous years are still true. Quiz 1:5 Practice w No conclusions can be made from this test, because expected counts cannot include decimals. up on the D There must have been a mistake in the calculations. Chi square (homogen Report a problem Unit test 4 of 5 . . .0o Check Test your Mills in thi of-fit test 9