**************The percentage of each ethnic group in a certain county is as in the following table.Ethnic Breakdown of CountyEthnicityWhiteBlack/African-AmericanAsian, Pacific IslanderHispanicThere have been 2340 reported cases of AIDS in the county. The cumulative number of AIDS casesreported for the county is broken down by ethnicity in the following table.Number of AIDS cases in the county by ethnicityEthnicityNumber of AIDS casesWhiteBlack/African-AmericanAsian, Pacific IslanderHispanicPercent of Total County PopulationEthnicityPerform a goodness-of-fit test with a 8% level of significance to determine whether the occurrenceof AIDS cases follows the distribution of ethnicities of the general population in the county.Step 1: State the null and alternative hypotheses.Ho:The ethnic distribution of AIDS cases in the county is the same as the county's ethnic distribution in general. VH₂:The ethnic distribution of AIDS cases in the county is different from the county's ethnic distribution in general. ✓Y Part 2 of 4Step 2: Assuming the null hypothesis is true, determine the features of the distribution usedto perform the goodness-of-fit test.Step 3: Find the p-value of the point estimate.First identify the observed and expected values.1040555291454To perform a goodness-of-fit test for this problem, use a chi-square3✓degrees of freedom.46.3%22.3%13.3%18.1%WhiteObserved and Expected ValuesBlack/African-AmericanAsian, Pacific IslanderHispanicObserved Values (O) Expected Values (E)distribution withPart 3 of 4

Given, The percentage of each ethnic group in a certain county is as in the following table. By…

Answered: Ethnicity Ethnic Breakdown of County…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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On the following pages you are presented with five problems. Your job is to examine the output and discuss whether there is a statistically significant relationship between the two variables, the pattern or direction of the relationship if the relationship is significant, and the strength of the relationship if the relationship is significant. AS you discuss the strength of the relationship, you will rely on an appropriate measure of association from those that have been given. For that determination, you will need to appropriately determine the level of measurement of each of the variables being examined. Please use the Measures of Association Chart I provided to help you with your determination. You may write your responses on a separate document or next to the problems on this one.
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The director of library services at a college did a survey of types of books (by subject) in the circulation library. Then she used library records to take a random sample of 888 books checked out last term and classified the books in the sample by subject. The results are shown below. Subject Area Percent of Books on Subject in CirculationLibrary on This Subject Number of Books inSample on This Subject Business 32% 237 Humanities 25% 220 Natural Science 20% 223 Social Science 15% 128 All other subjects 8% 80 Using a 5% level of significance, test the claim that the subject distribution of books in the library fits the distribution of books checked out by students. (a) What is the level of significance?State the null and alternate hypotheses. H0: The distributions are the same.H1: The distributions are different.H0: The distributions are the same.H1: The distributions are the same. H0: The distributions are different.H1: The distributions are different.H0: The…

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