Concept explainers
To create the
Explanation of Solution
Given:
The given data is
Calculation:
The following is the scatter plot of the data obtained using the graphing utility-
To find the quadratic model of the data using the regression feature of the graphing utility.
Answer to Problem 77E
Explanation of Solution
Given:
The given data is
Calculation:
To graph the model and the scatter plot in the same viewing window and find out how well does the model fit the data.
Answer to Problem 77E
Model fits well with the data.
Explanation of Solution
Given:
The given data is
Calculation:
The model and the scatter plot in the same viewing window are as follows-
On closely looking at both the figures it can be seen that model fits well with the data.
To find out when the number of students enrolled in elementary and secondary schools fall below
Answer to Problem 77E
May be in the year before 2005.
Explanation of Solution
Given:
The given data is
Calculation:
From the table it can be see that the number of students enrolled are always greater than
To find whether the model valid for long term predictions of student enrollment with explanation.
Answer to Problem 77E
Yes, the model is valid for long term predictions.
Explanation of Solution
Given:
The given data is
Calculation:
Yes, the model is valid for long term predictions of student enrollment because there is very less variation in the number of students who enrolled.
Chapter 2 Solutions
EBK PRECALCULUS W/LIMITS
- Calculus: Early TranscendentalsCalculusISBN:9781285741550Author:James StewartPublisher:Cengage LearningThomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSONCalculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning