1. Width vs. Area for Sample Squares1 2 4 3 9 16 5 25 6 36 7 49 8 64 81 10
100

2. width
area
y-hats 1
-11 2 4 3 9 11 16 22 5 25 33 6 36 44 7 49 55 8 64 66 81 77 10
100 88
SST
SSE
144 16
Mean:
38.5
870.25 4
SST:
506.25 36
SSE:
528
182.25 64
R^2:
6.25
110.25
650.25

3. width
area
y-hats 1
-11 2 4 3 9 11 16 22 5 25 33 6 36 44 7 49 55 8 64 66 81 77 10
100 88
SST
SSE
144 16
Mean:
38.5
870.25 4
SST:
506.25 36
SSE:
528
182.25 64
R^2:
6.25
110.25
650.25
Q: What would regression parameters look like if we had used 10, 20, 30, …, 100 to sample?

4. width
area
y-hats
residuals
SST
SSE 1
-11 12
144 2 4 16
Mean:
38.5 3 9 11 -2
870.25
SST: 22 -6
506.25 36
SSE:
528 5 25 33 -8
182.25 64
R^2: 6 44
6.25 7 49 55
110.25 8 66
650.25 81 77 10
100 88