Concept explainers
To graph: The regression feature and find the quadratic model of the data.
Answer to Problem 149CR
Model is good fit for the data.
Explanation of Solution
Given information:
Graph: plot the regression graph and assume as per the question
Interpretation :
A quadratic regression is the process of finding the equation that best fits a set of data.
Analyzing the graph the quadratic regression model is given as:
Mean :
The
Where r is given as
Now by solving the above equation we get the following values:
Since the value of
Chapter 2 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning