Understanding a Correlation Coefficient 92000
Data
Each data pair shown is of the form below
х
y
28000
(years since purchase, value of car)
24000
Based on the correlation coefficient, there is a(n)
decreasing = strong X linear correlation
between the data
Xo
X 1
X2
X 3
X 4
X 5
X 6
X 7
31000
29373
26810
22375
17290
14970
11453
10921
20000
COMPLETE
16000
12000
Use the regression equation to estimate the
value of the car 8 years after
purchase. Round to
the nearest dollar. $
6
DONE
Linear Regression
y-3223.31x + 31805.583; -0.988
-0.7000 SXS 7.7
Window:
8913.1 Sys 330079
Resize window
to fit data