69
Single-v
ariab
le statistical calculation
Example
K
e
y
operation
Result
m
1
0
.
b
Stat
—
000
95
95
J
DATA
SET=
100
80
80
J
DATA
SET=
200
80
J
DATA
SET=
300
75
75
75
75
>
3
J
DATA
SET=
400
50
50
J
DATA
SET=
500
x
=
f
=
–x
7571
=
x
=
f
2
1237
σ
≈=
n
=
f
n
700
n
=
x
=
f
U
53000
Í≈=
x
2
=
f
[
4120000
Í≈Œ=
sx
=
f
4
1336
Sx
=
sx
2
=
.
;
=
17857
Sx
Œ=
—
×
10 + 50 =
(
95
-
i
=
)
8
i
4
x
10
+
50
=
6443
DATA
1
(95 –
x
)
sx
5 Statistical Calculations.indd 69
06.7.10 8:03:41 PM