Columns for short cut formulas
^A-u:
x
20
y2
X2
_y_
14
40
16
60
3600
2500
289
2500
55
60
18
17
18
18
18
3600
324
324
324
1080
850
900
990
1080
70
20
4900
400
1400
405
139
22125
2437
7220
x I 20 I 40
>0 I 51
400
1600
x*y
196
256
324
50
50
Total
^,.,^'/"'/~
^•y"w"
3025
55 I 60 | 61
280
640
70
Columns for long formulas
(yi-y)2
(X[-^)2
I xi-x|
(Xj-X)
(y'-y)
(xi-x)*(y,-y)
937.8906
11.3906
30.6250
-30.625
"3.375
103.3594
112.8906
1.8906
10.6250
-10.625
"1.375
14.60938
87.8906
0.3906
9.3750
9.375
0.625
5.859375
0.3906
0.1406
0.6250
-0.625
-0.375
0.234375
0.3906
0.3906
0.6250
-0.625
0.625
"0.390625
19.1406
0.3906
4.3750
4.375
0.625
2.734375
87.8906
0.3906
9.3750
9.375
0.625
5.859375
375.3906
6.8906
19.3750
19.375
2.625
50.85938
^ 1621.88
21.875
85
16
17
_v_
14
183.125
18
18
18
18
20
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