The following scatterplot shows the relationship between the left and right forearm lengths (cm) for 55 college students along with the regression line, where y = left forearm length x = right forearm length. (Source: physical dataset on the CD.) Which is the appropriate equation for the regression line in the plot?
A) $\hat{y}$ = 1.22 + 0.95x
B) $\hat{y}$ = 1.22 -0.95x
C) $\hat{x}$ = 1.22 + 0.95y
D) $\hat{x}$ = 1.22 - 0.95y

Question

The following scatterplot shows the relationship between the left and right forearm lengths (cm) for 55 college students along with the regression line, where y = left forearm length x = right forearm length. (Source: physical dataset on the CD.)   Which is the appropriate equation for the regression line in the plot?
A) $\hat{y}$ = 1.22 + 0.95x 
B) $\hat{y}$ = 1.22 -0.95x 
C) $\hat{x}$ = 1.22 + 0.95y 
D) $\hat{x}$ = 1.22 - 0.95y

Quizplus · Accepted Answer

The Answer of The following scatterplot shows the relationship between the left and right forearm lengths (cm) for 55 college students along with the regression line, where y = left forearm length x = right forearm length. (Source: physical dataset on the CD.)   Which is the appropriate equation for the regression line in the plot?
A) $\hat{y}$ = 1.22 + 0.95x 
B) $\hat{y}$ = 1.22 -0.95x 
C) $\hat{x}$ = 1.22 + 0.95y 
D) $\hat{x}$ = 1.22 - 0.95y

The Following Scatterplot Shows the Relationship Between the Left and Right