5 In a 2018 study, Phoenix Marketing International identified Bridgeport, Connecticut; San Jose, California; Washington, DC; and Lexington Park, Maryland, as thefour U.S. cities with the highest percentage of millionaires (Kiplinger website). Consider a sample of data that show the following number of millionaires forsamples of individuals from each of the four cities.CityTITTBridgeport,Washington,Lexington Park,San Jose,MillionaireстCAD.C.MD44363534YesNo456264365366a. What is the estimate of the percentage of millionaires in each of these cities (to 1 decimal)?Bridgeport,San Jose,Washington,Lexington Park,стCAD.C.MDPercentage, %128.3b. Using a =0.05 level of significance, test for the equality of the population proportion of millionaires for these four cities. What is the p-value?Compute the value of the X test statistic (to 3 decimals).6.490Use Table 3 of Appendix B to find the p-value.The p-value is greater than O.10What is your conclusion?Cannot concdudethat there is a difference among the population proportion of millionaires for these four cities.

Answered: Image /qna-images/answer/a947eb4d-5092-4d27-bbef-2c0f2af0e47e.jpg

In a 2018 study, Phoenix Marketing International identified Bridgeport, Connecticut; San Jose, California; Washington, DC; and Lexington Park, Maryland, as the four U.S. cities with the highest percentage of millionaires (Kiplinger website). Consider a sample of data that show the following number of millionaires for samples of individuals from each of the four cities. City ETITT Bridgeport, San Jose, Washington, Lexington Park, Millionaire ст CA D.C. MD 44 36 35 34 Yes No 456 264 365 366 a. What is the estimate of the percentage of milionaires in each of these cities (to 1 decimal)? Bridgeport, San Jose, Washington, Lexington Park, ст CA D.C. MD Percentage, % 12 8.3 b. Using a =0.05 level of significance, test for the equality of the population proportion of millionaires for these four cities. What is the p-value? Compute the value of the X test statistic (to 3 decimals). 6.490 Use Table 3 of Appendix B to find the p-value. The p-value is greater than O.10 What is your conclusion? Cannot concdude that there is a difference among the population proportion of millionaires for these four cities.

In a 2018 study, Phoenix Marketing International identified Bridgeport, Connecticut; San Jose, California; Washington, DC; and Lexington Park, Maryland, as the four U.S. cities with the highest percentage of millionaires (Kiplinger website). Consider a sample of data that show the following number of millionaires for samples of individuals from each of the four cities. City ETITT Bridgeport, San Jose, Washington, Lexington Park, Millionaire ст CA D.C. MD 44 36 35 34 Yes No 456 264 365 366 a. What is the estimate of the percentage of milionaires in each of these cities (to 1 decimal)? Bridgeport, San Jose, Washington, Lexington Park, ст CA D.C. MD Percentage, % 12 8.3 b. Using a =0.05 level of significance, test for the equality of the population proportion of millionaires for these four cities. What is the p-value? Compute the value of the X test statistic (to 3 decimals). 6.490 Use Table 3 of Appendix B to find the p-value. The p-value is greater than O.10 What is your conclusion? Cannot concdude that there is a difference among the population proportion of millionaires for these four cities.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 10CYU

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