a) y = -20.6 + 9.72x
x = 7.5
y = -20.6 + 9.72(7.5) = 52.3
b) -6
A linear model for a set of data was y = –20.6 + 9.72x and produced the following residual plot: [Xscl = 1, Yscl = 5]
Scatterplot
a) Predict the value of y when x = 7.5.
b) Determine the residual if x = 5. (2 points)
2 answers
thanks