Bundle: Basic Practice of Statistics 7e & LaunchPad (Twelve Month Access)
Bundle: Basic Practice of Statistics 7e & LaunchPad (Twelve Month Access)
7th Edition
ISBN: 9781319019341
Author: David S. Moore, William I. Notz, Michael A. Fligner
Publisher: W. H. Freeman
Question
Book Icon
Chapter 5, Problem 5.20CYS
To determine

To find: The school GPA if one child in this class has IQ score 110.

Expert Solution & Answer
Check Mark

Answer to Problem 5.20CYS

The correct answer is option (b).

Explanation of Solution

Given info:

The given scatter plot shows the school HPA against IQ test scores for 15 seventh grade students.

Bundle: Basic Practice of Statistics 7e & LaunchPad (Twelve Month Access), Chapter 5, Problem 5.20CYS

Reason for correct answer:

Justification:

From the output, it is observed that the corresponding value on the School GPA in y axis to the value of 110 on the IQ test score in x-axis meets the regression line on 7.5.

Reason for incorrect answer:

Option (a): 2 are wrong because the calculated predicted value is 7.5.

Option (c): 11 are wrong because the calculated predicted value is 7.5.

Conclusion:

Hence, the predicted school GPA score is, 7.5.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!
Knowledge Booster
Background pattern image
Recommended textbooks for you
Text book image
MATLAB: An Introduction with Applications
Statistics
ISBN:9781119256830
Author:Amos Gilat
Publisher:John Wiley & Sons Inc
Text book image
Probability and Statistics for Engineering and th...
Statistics
ISBN:9781305251809
Author:Jay L. Devore
Publisher:Cengage Learning
Text book image
Statistics for The Behavioral Sciences (MindTap C...
Statistics
ISBN:9781305504912
Author:Frederick J Gravetter, Larry B. Wallnau
Publisher:Cengage Learning
Text book image
Elementary Statistics: Picturing the World (7th E...
Statistics
ISBN:9780134683416
Author:Ron Larson, Betsy Farber
Publisher:PEARSON
Text book image
The Basic Practice of Statistics
Statistics
ISBN:9781319042578
Author:David S. Moore, William I. Notz, Michael A. Fligner
Publisher:W. H. Freeman
Text book image
Introduction to the Practice of Statistics
Statistics
ISBN:9781319013387
Author:David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:W. H. Freeman