D
D
on
l
y
-V
Summation Notation
o
us
e
2+2=4
or
PN
U
Bi
21.16 + 26.01 + 24.01 + 19.37 = 90.54
D
D
or
PN
U
Bi
o
us
e
on
l
y
-V
Weights of 4 Grapes
D
D
y
-V
Summing the Values
PN
U
Bi
o
us
e
on
l
Grape
Grape
Grape
Grape
or
= 4.6 + 5.1 + 4.9 + 4.4
= 19
1’s
2’s
3’s
4’s
weight:
weight:
weight:
weight:
X1
X2
X3
X4
D
D
Bi
o
us
e
on
l
y
-V
Summing the First 3 Values
or
PN
U
4.6 + 5.1 + 4.9
D
D
or
PN
U
Bi
o
us
e
on
l
y
-V
Abbreviated Notation
D
D
us
e
on
l
y
-V
Sum of Squares
Bi
o
= 21.16 + 26.01 + 24.01 + 19.37
or
PN
U
= 90.54
D
D
or
PN
U
Bi
o
us
e
on
l
y
-V
It Makes a Difference
D
D
or
PN
U
Bi
o
us
e
on
l
y
-V
Sum of Cross Products