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Input Example:
Syntax 1 (li t format)
TwoSampleTTest "<",list1,list2,1,1,Off
Syntax 2 (parameter format)
TwoSampleTTest " ",107.5,0.78,10,97.5,0.65,12,Off
Linear Regre
ion
Menu:
[Test]-[Linear Reg TTest]
De cription: This command treats two groups of data as paired variables (
method of least squares is used to determine the most appropriate pair for the
a
b
,
coefficients of the regression formula
correlation coefficient and
relationship between
n
( x – o)( y – p)
i=1
b =
i=1
Definition of Term
β &
condition : test conditions (" " specifies two-tail test, "<" specifies lower one-
XList :
YList :
Freq :
Calculation Re ult Output
β
0 &
t
:
p
:
df
:
a
:
b
:
s
:
e
r
:
2
r
:
7-9-12
Tests
t
Te t
t
value, and calculates the strength of the
x
y
and
.
a = p – b . o
n
(x – o)
2
a
b
n
r
2
r
tail test, ">" specifies upper one-tail test.)
x
-data list
y
-data list
frequency (1 or list name)
0 :
test condition
t
value
p
-value
degrees of freedom
regression constant term (
regression coefficient (slope)
standard error of estimation
correlation coefficient
coefficient of determination
20090601
.
y
a
b
x
=
+
. It also determines the
n – 2
t = r
2
1 – r
: regression constant term (
: regression coefficient (slope)
n
: sample size (
3)
: correlation coefficient
: coefficient of determination
y
-intercept)
x
y
,
). The
y
-intercept)
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