69
Single-variable statistical calculation
Example
Key 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
=
σ
x
=
f
2
1237
σ
≈
=
n
=
f
n
700
n
=
Σ
x
=
f
U
53000
Í≈=
Σ
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
5 Statistical Calculations.indd 69
06.7.10 8:03:41 PM
06.7.10 8:03:41 PM