Casio ClassPad 300 User Manual page 369

k 2-Sample F
Test
F
2-Sample Test
Command: TwoSampleFTest
Description: This command tests hypotheses concerning the ratio of the population
variance of two populations. A 2-Sample
F =
Command Syntax
Syntax 1 (list format)
" σ condition", List(1), List(2), Freq(1) (or 1), Freq(2) (or 1)
1
* "Freq" can be omitted. Doing so sets "1" for "Freq".
Syntax 2 (parameter format)
" σ condition",
1
Definition of Terms
σ condition: population standard deviation test conditions ("≠" specifies two-tail
1
List(1) :
List(2) :
Freq(1) :
Freq(2) :
x
σ :
1 n -1
n
:
1
x
σ :
n
2 -1
n
:
2
Input Example:
Syntax 1 (list format)
TwoSampleFTest "≠",list1,list2,1,1
Syntax 2 (parameter format)
TwoSampleFTest "≠",1.94,10,2.12,15
Calculation Result Output
σ ≠ σ :
1 2
F
:
p
:
o
:
1
o
:
2
x
σ :
n
1 –1
x
σ :
n
2 –1
n
:
1
n
:
2
7-9-11
Tests
x σ
2
1 n–1
x σ
2
2 n–1
x n
σ value, value,
n
1 –1 1
test, "<" specifies one-tail test where sample 1 is smaller than
sample 2, ">" specifies one-tail test where sample 1 is greater than
sample 2.)
list where sample 1 data is located
list where sample 2 data is located
frequency of sample 1 (1 or list name)
frequency of sample 2 (1 or list name)
standard deviation of sample 1 (
size of sample 1 (positive integer)
standard deviation of sample 2 (
size of sample 2 (positive integer)
test condition
F
value
p
-value
mean of sample 1 (Displayed only for list format.)
mean of sample 2 (Displayed only for list format.)
standard deviation of sample 1
standard deviation of sample 2
size of sample 1
size of sample 2
20021201
F F
Test uses distribution.
x n
σ value, value
n
2 –1 2
x
σ > 0)
1 n -1
x
σ > 0)
n
2 -1