Consider the data. xi 2 6 9 13 20 yi 9 18 9 25 23 The estimated regression equation for these data is ŷ = 6.8 + 0.9x. (A) What percentage of the total sum of squares can be accounted for by the estimated regression equation? (Round your answer to one decimal place.) _____
Consider the data. xi 2 6 9 13 20 yi 9 18 9 25 23 The estimated regression equation for these data is ŷ = 6.8 + 0.9x. (A) What percentage of the total sum of squares can be accounted for by the estimated regression equation? (Round your answer to one decimal place.) _____
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter4: Exponential Functions
Section4.4: Modeling Nearly Exponential Data
Problem 4E: Special Rounding Instructions For this exercise set, round all regression parameters to three...
Related questions
Question
Consider the data.
xi
|
2 | 6 | 9 | 13 | 20 |
---|---|---|---|---|---|
yi
|
9 | 18 | 9 | 25 | 23 |
The estimated regression equation for these data is
(A) What percentage of the total sum of squares can be accounted for by the estimated regression equation? (Round your answer to one decimal place.) __________%
ŷ = 6.8 + 0.9x.
(B) What is the value of the sample correlation coefficient ? (Round your answer to three decimal places.)
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