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Week 12: Chapter s X C Get Homework Hel X C We Wish To Estima X C X Week 11: Chapte X Course Hero X
Week 12: Chapter s X C Get Homework Hel X C We Wish To Estima X C X Week 11: Chapte X Course Hero X + X C https:/ightingale.instructure.com/courses/3345304/assignments/33452053?m. A Q ents Week 12: Chapter 9 - 2 Known Standard Deviation Save progress Done Score: 1/25 0/5 answered . Question 3 7 pts K A mayor running for re-election claims that during his term, average municipal taxes have fallen by $125. A conscientious statistician wants to test this claim. He surveys 35 of his neighbors and finds that their taxes decreased (in dollars) as follows: 121, 141, 68, 153, 120, 104, 207, 147, 83, 109, 136, 120, 67, 138, 173, 58, 78, 100, 38, 152, 120, 34, 69, 136, 92, 170, 45, 160, 175, 98, 159, 197, 158, 145, 141 The statistician assumes a population standard deviation of $38. Do you think the statistician should reject the mayor's claim? Why or why not? Step 1: State the hypothesis. Proctor ? V = Step 2: Determine the Features of the Distribution of Point Estimates Using the Central Limit Theorem. By the Central Limit Theorem, we know that the point estimates are |Select an answer V | with distribution mean and distribution standard deviation ook Step 3: Assuming the Claim is True, Find the Probability of Obtaining the Point Estimate. Step 4: Make a Conclusion About the Claim. What do you think? Based on the probability you calculated in step 3 of obtaining the point estimate, would you reject the claim: Think about your answer to this step yourself; this step is not graded. Submit Question Type here to search A 7:06 PM 20 3/25/2022 22
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