Homework Help is Here – Start Your Trial Now!
Math
Statistics
Please do c,d and e in detail

Please do c,d and e in detail

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter4: Writing Linear Equations
Section: Chapter Questions
Problem 11CT
See similar textbooks
icon
Related questions
Question

Please do c,d and e in detail 

ONSHIPS ew Exercises R3.3 Stats teachers' cars A random sample of AP® Sta- tistics teachers was asked to report the age (in years) and mileage of their primary vehicles. A scatterplot of the data, a least-squares regression printout, and a residual plot are provided below. Predictor Сoef SE Coef T P Constant 3704 8268 0.45 0.662 Age 12188 1492 8.17 0.000 S = 20870.5 R-Sq = 83.7% R-Sq(adj) = 82.4% 160,000 140,000 120,000 100,000 80,000 60,000 40,000 20,000 2 4 6. 8 10 12 Age 60,000 50,000 40,000 30,000 20,000 10,000 -10,000 -20,000 -30,000 2 4 6. 8 10 12 Age (a) Give the equation of the least-squares regression line for these data. Identify any variables you use. (b) One teacher reported that her 6-year-old car had 65,000 miles on it. Find and interpret its residual. (c) What's the correlation between car age and mile- age? Interpret this value in context. (d) Is a linear model appropriate for these data? Ex- plain how you know. (e) Interpret the values of s and r². Mileage Residual
Transcribed Image Text:ONSHIPS ew Exercises R3.3 Stats teachers' cars A random sample of AP® Sta- tistics teachers was asked to report the age (in years) and mileage of their primary vehicles. A scatterplot of the data, a least-squares regression printout, and a residual plot are provided below. Predictor Сoef SE Coef T P Constant 3704 8268 0.45 0.662 Age 12188 1492 8.17 0.000 S = 20870.5 R-Sq = 83.7% R-Sq(adj) = 82.4% 160,000 140,000 120,000 100,000 80,000 60,000 40,000 20,000 2 4 6. 8 10 12 Age 60,000 50,000 40,000 30,000 20,000 10,000 -10,000 -20,000 -30,000 2 4 6. 8 10 12 Age (a) Give the equation of the least-squares regression line for these data. Identify any variables you use. (b) One teacher reported that her 6-year-old car had 65,000 miles on it. Find and interpret its residual. (c) What's the correlation between car age and mile- age? Interpret this value in context. (d) Is a linear model appropriate for these data? Ex- plain how you know. (e) Interpret the values of s and r². Mileage Residual
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
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
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS