Linearreg T Test - Casio fx-9860G Series User Manual

t
LinearReg Test
LinearReg t Test treats paired-variable data sets as (
of least squares to determine the most appropriate
y
regression formula =
calculates the extent of the relationship between
n n
Σ Σ
(x – )( y – ) (x – )( y – )
i=1 i=1
b = b =
n n
Σ Σ
(x – ) (x – )
i=1 i=1
Perform the following key operations from the statistical data list.
3(TEST)
2(t)
3(REG)
The following shows the meaning of each item in the case of list data specifi cation.
β & ρ ............................ p-value test conditions ("
XList ............................. list for
YList ............................. list for
Freq .............................. frequency (1 or List 1 to 26)
Save Res ...................... list for storage of calculation results (None or List 1 to 26)
Execute ........................ executes a calculation
After setting all the parameters, use
the function key shown below to perform the calculation.
• 1(CALC) ... Performs the calculation.
# You cannot draw a graph for LinearReg
6-5-16
Tests
a bx
+ . It also determines the correlation coeffi cient and
a = – b a = – b
2 2
specifi es lower one-tail test, "> 0" specifi es upper one-tail
test.)
x
-axis data (List 1 to 26)
y
-axis data (List 1 to 26)
to move the highlighting to "Execute" and then press
t
Test.
20070201
x y
, ) pairs, and uses the method
a b
, coeffi cients of the data for the
x y
and .
a
: intercept
b
: slope of the line
n – 2 n – 2
t = r t = r
n
: size of sample (
2 2
1 – r 1 – r
r
: correlation coeffi cient
r
2
: coeffi cient of
determination
0" specifi es two-tail test, "< 0"
t
value, and
n
> 3)