Example:
To calculate x
2
, x, x, x
n
, x
n-1
, minX, maxX, and med of
data: 75, 85, 90, 77, 77 in SD mode.
Standard Deviation
Press to ender SD mode.
Before starting, be sure to clear the statistical memory by
pressing .
You can recall the following statistical value after input all data.
Regression Calculations
Press to ender REG mode, then the follow screen options
will be shown:
Press , or for [Lin] = Linear regression,
[Log] = Logarithmic regression, [Exp] = Exponential regression.
Stat clear
.
5
=
n
x
2
32,808.
.
4
0
4
x
8
.
0
8
x
x
n
5.741080038
x
n-1
6.418722614
.
5
7
X
n
i
m
.
0
9
X
x
a
m
.
7
7
d
e
m
)r
e
w
o
L
(
y
a
l
p
s
i
D
n
o
it
a
r
e
p
O
Display (Upper)
Lin
Log Exp
1
2
3
Summation of x ( x
)
Mean of x ( x )
Sum of Square ( x
2
)
Maximum value of x ( maxX )
Number of data sample ( n )
Minimum value of x ( minX )
Population Standard Deviation of x ( x
n
)
Median value ( med )
Sample Standard Deviation of x ( x
n-1
)
Value (Symbol)
- - - - - - - - - - - - - - -
.
29
