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 Bridgeport, San Jose, Washington, Lexington Park, Millionaire CT CA D.C. MD Yes 46 34 37 32 No 454 266 363 368 a. What is the estimate of the percentage of millionaires in each of these cities (to 1 decimal)? Bridgeport, CT Percentage, % San Jose, Washington, CA D.C. Lexington Park, MD 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 x2 test statistic (to 3 decimals). Use Table 3 of Appendix B to find the p-value. The p-value is -Select your answer- What is your conclusion? - Select your answer that there is a difference among the population proportion of millionaires for these four cities.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
not use ai please
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
Bridgeport,
San Jose,
Washington,
Lexington Park,
Millionaire
CT
CA
D.C.
MD
Yes
46
34
37
32
No
454
266
363
368
a. What is the estimate of the percentage of millionaires in each of these cities (to 1 decimal)?
Bridgeport,
CT
Percentage, %
San Jose,
Washington,
CA
D.C.
Lexington Park,
MD
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 x2 test statistic (to 3 decimals).
Use Table 3 of Appendix B to find the p-value.
The p-value is -Select your answer-
What is your conclusion?
- Select your answer that there is a difference among the population proportion of millionaires for these four cities.
Transcribed Image Text: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 Bridgeport, San Jose, Washington, Lexington Park, Millionaire CT CA D.C. MD Yes 46 34 37 32 No 454 266 363 368 a. What is the estimate of the percentage of millionaires in each of these cities (to 1 decimal)? Bridgeport, CT Percentage, % San Jose, Washington, CA D.C. Lexington Park, MD 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 x2 test statistic (to 3 decimals). Use Table 3 of Appendix B to find the p-value. The p-value is -Select your answer- What is your conclusion? - Select your answer that there is a difference among the population proportion of millionaires for these four cities.
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman