Describe the explained variation about a regression line in words and in symbols. y x (X₁, Yj) • (x,y) (x, y) |y=j C Choose the correct answer below. O A. The explained variation is the sum of the squares of the differences between the predicted y-values and the mean of the y-values of the ordered pairs. B. The explained variation is the sum of the squares of the differences between the y-values of each ordered pair and the mean of the y-values of the ordered pairs. C. The explained variation is the sum of the squares of the differences between the observed y-values and the predicted y-values.
Describe the explained variation about a regression line in words and in symbols. y x (X₁, Yj) • (x,y) (x, y) |y=j C Choose the correct answer below. O A. The explained variation is the sum of the squares of the differences between the predicted y-values and the mean of the y-values of the ordered pairs. B. The explained variation is the sum of the squares of the differences between the y-values of each ordered pair and the mean of the y-values of the ordered pairs. C. The explained variation is the sum of the squares of the differences between the observed y-values and the predicted y-values.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 6PPS
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Transcribed Image Text:Describe the explained variation about a regression line
in words and in symbols.
y
x
(xi, Yj).
(,)))
(x₁, y)
y = y
D
Choose the correct answer below.
O A. The explained variation is the sum of
the squares of the differences between
the predicted y-values and the mean of
the y-values of the ordered pairs.
B. The explained variation is the sum of
the squares of the differences between
the y-values of each ordered pair and
the mean of the y-values of the ordered
pairs.
C. The explained variation is the sum of
the squares of the differences between
the observed y-values and the
predicted y-values.
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