Sharp EL-5060

– 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 xy 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
σx= Rp 12.37179148
n= Rn 7.
Σx= Rz 530.
Σx
2
= Rw 41’200.
sx= R£ 13.3630621
sx
2
= L= 178.5714286
(95–
–
x)
×10+50=
( 95 -K~)
sx
/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, 13:1025