木
Elementary school students were given a geometry
assignment. They were to measure the area of
several rectangles and to measure the diagonal of the
rectangle as shown in the table.
Area (in²)
10
24
53
46
5
78
100
84
Mark this and return
Diagonal (in.)
4.472
6.928
10.296
9.592
3.162
12.490
14.142
12.962
The equation of the least-squares regression line is
ý 3.6+ 0.113x, where y is the diagonal and x is the
area of the rectangle. Which shows the residual plot?
O
Residual
6
4
2
0
-2
+999
4
-6
-8
0
Save and Exit
20
40 60 80
Area (in²)
Next
100 120
Submit