The number of AIDS cases reported for Santa Clara County, California is broken down by race in the table below. Source: "HIV/AIDS Epidemiology Santa Clara County", Santa Clara County Public Health Department, May 2011.RaceCasesWhite2274Hispanic1122Black448Asian/Pacific Islander238Total4082 The population distribution of Santa Clara County by race is provided in the table below. Use these percentages to compute the expected number of cases for each racial group. Round each of the expected counts to 2 decimal places.RaceProportionExpected casesWhite0.457 Hispanic0.247 Black0.024 Asian/Pacific Islander0.272 Total1 Determine the value of the test statistic. Round your answer to 1 decimal place.χ2=Compute the p-value. Round your answer to 4 decimal places.p-value =

Name: The number of AIDS cases reported for Santa Clara County, California i
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Description: The number of AIDS cases reported for Santa Clara County, California is broken down by race in the table below. Source: "HIV/AIDS Epidemiology Santa Clara County", Santa Clara County Public Health Department, May 2011.RaceCasesWhite2274Hispanic1122Bl

Test statistic: Race (O) p Expected frequency, E=N*p (O-E)^2 (O-E)^2/E White 2274 0.457 1865.474 166893 89.46439 Hispanic 1122 0.247 1008.254 12938.2 12.83224 Black 448 0.024 97.968 122522 1250.637 Asian/Pacific Islander 238 0.272 1110.304 760914 685.3207 Total N=4082 2038.254 Test statistic=2038.32. p value: df=number of categories-1=4-1=3 The p-value is 0.000, from the Excel function “=CHISQ.DIST.RT(2038.3,3)”.

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ISBN:9781119256830

Author:Amos Gilat

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The number of AIDS cases reported for Santa Clara County, California is broken down by race in the table below. Source: "HIV/AIDS Epidemiology Santa Clara County", Santa Clara County Public Health Department, May 2011.

Race	Cases
White	2274
Hispanic	1122
Black	448
Asian/Pacific Islander	238
Total	4082

The population distribution of Santa Clara County by race is provided in the table below. Use these percentages to compute the expected number of cases for each racial group. Round each of the expected counts to 2 decimal places.

Race Proportion Expected cases

White 0.457

Hispanic 0.247

Black 0.024

Asian/Pacific Islander 0.272

Total 1

Determine the value of the test statistic. Round your answer to 1 decimal place.

χ2=
Compute the p-value. Round your answer to 4 decimal places.

p-value =

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