Fit a least-squares parabola having the form y=a+bx+cxto the given data. 1.8 5.9 X y 1.2 4.5 3.1 Write only the letter corresponding to the correct answer. Find the linear coefficient between x and y. Interpretation or r in number 1 and 2. 4.9 7.8 5.7 7.2 Find the non linear coefficient of the parabolic relationship between x and y 7.1 6.8 8.6 4.5 A)-0.29 B) 0.29 9.8 2.7 C)-0.37 D) 0.37 A) 0.99 B) 0.88 C) 0.77 D) 0.66 A) x and y have very good negative linear relationship B) x and y have good positive linear relationship C) x and y have good negative non linear relationship D) x and y have very good positive non linear relationship What percentage of the total variation remains unexplained by the assumption of a parabolic relationship between x and y? A) 0.75 B) 1.78 C) 2.33 D) 3.75

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 67E
icon
Related questions
Question
Fit a least-squares parabola having the form y = a + bx + cx² to the given data.
1.8
3.1
5.9
X
y
1.2
4.5
Write only the letter corresponding to the correct answer.
Find the linear coefficient between x and y.
4.9
7.8
Interpretation or r in number 1 and 2.
5.7
7.2
Find the non linear coefficient of the parabolic relationship between x and y
7.1
6.8
8.6
4.5
9.8
2.7
A) -0.29 B) 0.29 C)-0.37 D) 0.37
A) 0.99 B) 0.88
C) 0.77 D) 0.66
A) x and y have very good negative linear relationship B) x and y have good positive linear relationship
C) x and y have good negative non linear relationship D) x and y have very good positive non linear relationship
What percentage of the total variation remains unexplained by the assumption of a parabolic relationship between x and y?
A) 0.75 B) 1.78 C) 2.33 D) 3.75
Transcribed Image Text:Fit a least-squares parabola having the form y = a + bx + cx² to the given data. 1.8 3.1 5.9 X y 1.2 4.5 Write only the letter corresponding to the correct answer. Find the linear coefficient between x and y. 4.9 7.8 Interpretation or r in number 1 and 2. 5.7 7.2 Find the non linear coefficient of the parabolic relationship between x and y 7.1 6.8 8.6 4.5 9.8 2.7 A) -0.29 B) 0.29 C)-0.37 D) 0.37 A) 0.99 B) 0.88 C) 0.77 D) 0.66 A) x and y have very good negative linear relationship B) x and y have good positive linear relationship C) x and y have good negative non linear relationship D) x and y have very good positive non linear relationship What percentage of the total variation remains unexplained by the assumption of a parabolic relationship between x and y? A) 0.75 B) 1.78 C) 2.33 D) 3.75
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Algebra for College Students
Algebra for College Students
Algebra
ISBN:
9781285195780
Author:
Jerome E. Kaufmann, Karen L. Schwitters
Publisher:
Cengage Learning