Casio fx-180P - Statistical Calculations; Standard Deviation Calculations

6/STATISTICAL
CALCULATIONS
* Be sure to press @)a@
6-1 Standard deviation
*
Set
the
function
mode
to
“SD”
by
Pressing
MR)
&)
,
Ex.)
Find
On-4,
On,
¥, 9,
Sx
and
Ex?
based
on
the
deta
55,
$4,
51,55, 53,53,
54,
52.
OPERATION
READ-OUT
A
EAD
OUT
“SD”
&
B55om
54am
54
55
G4
530m)
Gm
54
(iid)
52
(oat)
(Sampte
standard
deviation)
&
{Population
standard
deviation)
@@
&x)
(Arithmetic mean)
(Number
of
data)
GOD
(Sum of value} fie) 9
(Sum
of
square
value}
(out)
(5x7)
Calculate
the
unbiased
variance
and
average,
(Subsequently)
fy
=
pay
ay
s
S@eessa
Note:
The
sample
standard
deviation
On.1
is
defined
as
rx
42. {eer
7
:
a—1
1 '
~
the
population
standard
deviation
On
is
defined
as
Zz
wy? _ [Sx)
=x =
n
i.t
and
the
arithmetical
mean
X
is
defined
asx
Pressing
fay.
(5)
,
CE),
0,9,
or
&)
key
need
not
be
done
sequentially.
-23-
in
sequence
prior
to
Starting
a
statistical
calculation,
1.407885953
the
deviation
between
each
data
item
and
the
OPERATION
“SD” @&8 12 Ga saan
@ (Mistake) 2058
@) (To correct)
105M
207 can
@ (Mistake) oar
® (Mistake) IDs wow
® {To correct) & &
OéQuy
@ (Tocorrect) 207@0
Ose
4m
(@ (Mistake) 1048
@ (To correct} tac}
12363 Gm
Ose
@® {Mistake) 6 RQ
@ (To correct) D8 E6@ap
Oseseq
Kea)
i
by Gy
~24-
Ex.) Find|ln, X & On.1 based on the data: 1,2, —0.9,~1,5, 2.7, —0.6, 0,5, 0.5, 0.5, 0.5,
1.3, }.3, 1.3, 0.8, 0.8, 0.8, 0.8, 0.8,
READ-OUT
2.7
2.7
2.7
1.3
Lee
0.635294117
0.95390066
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