Sharp EL-738F Operation Manual page 71

1
Example
DATA
95
80
80
75
75
75
50
x =
σ x =
n =
Σ x =
Σ x
2
=
sx =
2
sx =
(95 – x )
— × 10 + 50 =
sx
Single-variable statistical calculation
Key operation
m 1 0 .
b
95 J
80 J
J
75 > 3 J
50 J
f =
f 2
f n
f U
f [
f 4
. ; =
( 95 - i
= ) 8 i
4 x 10 + 50
=
69
Result
S a —
000
DATA SET=
DATA SET=
DATA SET=
DATA SET=
DATA SET=
7571
– x
=
1237
σ ≈ =
n=
53000
Í≈=
4120000
Í≈Œ=
1336
Sx =
17857
Sx Œ=
6443
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