Sharp EL-5060, Operation Manual

Page: 97 / 116

– E-25 –
¯x Mean of samples ( x data)
sx
Sample standard deviation (
x
data)
Q
σ x Population standard deviation ( x data)
n
Number of samples
Σ x Sum of samples ( x data)
Σ
x
2 Sum of squares of samples (
x
data)
¯y Means of samples ( y data)
sy
Sample standard deviation (
y
data)
σ y Population standard deviation ( y data)
Σ
y
Sum of samples (
y
data)
W Σ y 2 Sum of squares of samples ( y data)
Σ
x y
Sum of products of samples (
x
,
y
)
r Correlation coefficient
a
Coefficient of regression equation
b Coefficient of regression equation
c
Coefficient of quadratic regression equation
• Use
K
and
R
to perform a STAT variable calculation.
DATA
95 m10 0.
80 95 k 1.
80 80
k
2.
75
k
3.
75 75
&
3
k
4.
75 50 k 5.
50
–
x =
R~
75.71428571
σ x =
Rp
12.37179148
n =
Rn
7.
Σ x =
Rz
530.
Σ x
2
=
Rw 41’200.
s x =
R£
13.3630621
s x 2 =
L=
178.5714286
(95–
–
x
)
× 10+50=
( 95 -K~)
s
x
/K£* 10
+
50
=
64.43210706
x
= 60
→
P(t) ? °1 60 °0)= 0.102012
t = –0.5 → R(t) ?
°3
0.5
±)= 0.691463
EL5060E_En0616.pm65 06/16/2004, 13:10 25