Because of uncertainty in real estate markets, many homeowners are considering remodeling and constructing additions rather than selling, probably the most expensive room in the house to remodel is the kitchen, with an average cost of about $23,400. In terms of resale value, is remodeling the kitchen worth the cost? The following cost and resale figures are published by remodeling magazine for 11 cities. Assume the differences are normally distributed in the population.    City Cost Resale Atlanta $20427 $25163 Boston $27255 $24625 Des Moines $22115 $12600 Kansas City $23256 $24588 Louisville $21877 $19267 Portland $24255 $20150 Raleigh $19852 $22500 Reno $23624 $16667 Ridgewood $25885 $26875 San Francisco $28999 $35333 Tulsa $20836 $16292   Requirements: Use the above data to construct a 99% confidence interval for the difference between cost and added resale value of kitchen remodeling.  At 1% level of significance, is there evidence that the difference between cost and added resale value of kitchen remodeling exist?     Which test statistics is applicable in this case and why?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
icon
Related questions
Topic Video
Question

Because of uncertainty in real estate markets, many homeowners are considering remodeling and constructing additions rather than selling, probably the most expensive room in the house to remodel is the kitchen, with an average cost of about $23,400. In terms of resale value, is remodeling the kitchen worth the cost? The following cost and resale figures are published by remodeling magazine for 11 cities. Assume the differences are normally distributed in the population.   

City

Cost

Resale

Atlanta

$20427

$25163

Boston

$27255

$24625

Des Moines

$22115

$12600

Kansas City

$23256

$24588

Louisville

$21877

$19267

Portland

$24255

$20150

Raleigh

$19852

$22500

Reno

$23624

$16667

Ridgewood

$25885

$26875

San Francisco

$28999

$35333

Tulsa

$20836

$16292

 

Requirements:

  • Use the above data to construct a 99% confidence interval for the difference between cost and added resale value of kitchen remodeling. 
  • At 1% level of significance, is there evidence that the difference between cost and added resale value of kitchen remodeling exist?    
  • Which test statistics is applicable in this case and why?                                                                   

                                                                                                     

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt