رجم (Round to three decimal places as needed.) (Round to three decimal places as needed.) About % of the variation in y can be explained by the relationship between the variables. (Round to one decimal place as needed.) Compare rd and r². Choose the correct answer below. A. The value for is less than the value for r². B. The value for c. The value for r 'adj adj is greater than the value for r². is the same as the value for r². The calculation of the coefficient of determination r² depends on the number of independent variables. An adjusted value of r² based on the number of degrees of freedom is calculated using the formula shown below, where n is the number of data pairs and k is the number of independent variables. 2 adj =1- (1-2) (n-1) n-k-1 Data were found on eight pre-owned sedans of a certain make. Suppose a multiple regression on these data has 6 independent variables. The coefficient of determination is found to be 0.901 based on a sample of 18 paired 2 adj, observations. After calculating r determine the percentage of the variation in y that can be explained by the relationships between variables according to r2d. Compare this result with the one obtained using r². adj
رجم (Round to three decimal places as needed.) (Round to three decimal places as needed.) About % of the variation in y can be explained by the relationship between the variables. (Round to one decimal place as needed.) Compare rd and r². Choose the correct answer below. A. The value for is less than the value for r². B. The value for c. The value for r 'adj adj is greater than the value for r². is the same as the value for r². The calculation of the coefficient of determination r² depends on the number of independent variables. An adjusted value of r² based on the number of degrees of freedom is calculated using the formula shown below, where n is the number of data pairs and k is the number of independent variables. 2 adj =1- (1-2) (n-1) n-k-1 Data were found on eight pre-owned sedans of a certain make. Suppose a multiple regression on these data has 6 independent variables. The coefficient of determination is found to be 0.901 based on a sample of 18 paired 2 adj, observations. After calculating r determine the percentage of the variation in y that can be explained by the relationships between variables according to r2d. Compare this result with the one obtained using r². adj
Chapter4: Linear Functions
Section: Chapter Questions
Problem 30PT: For the following exercises, use Table 4 which shows the percent of unemployed persons 25 years or...
Related questions
Question
Transcribed Image Text:رجم
(Round to three decimal places as needed.)
(Round to three decimal places as needed.)
About
% of the variation in y can be explained by the relationship between the variables.
(Round to one decimal place as needed.)
Compare rd and r². Choose the correct answer below.
A. The value for is less than the value for r².
B. The value for
c. The value for r
'adj
adj
is greater than the value for r².
is the same as the value for r².
Transcribed Image Text:The calculation of the coefficient of determination r² depends on the number of independent variables. An adjusted
value of r² based on the number of degrees of freedom is calculated using the formula shown below, where n is the
number of data pairs and k is the number of independent variables.
2
adj
=1-
(1-2) (n-1)
n-k-1
Data were found on eight pre-owned sedans of a certain make. Suppose a multiple regression on these data has 6
independent variables. The coefficient of determination is found to be 0.901 based on a sample of 18 paired
2
adj,
observations. After calculating r determine the percentage of the variation in y that can be explained by the
relationships between variables according to r2d. Compare this result with the one obtained using r².
adj
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 1 images
Recommended textbooks for you
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt