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78
Alphabetical Listing
F
Test_2Samp
Catalog >
F
Test_2Samp
List1
,
List2
[
,
Freq1
[
,
Freq2
[
,
Hypoth
]]]
FTest_2Samp
List1
,
List2
[
,
Freq1
[
,
Freq2
[
,
Hypoth
]]]
(Data list input)
F
Test_2Samp
sx1
,
n1
,
sx2
,
n2
[
,
Hypoth
]
FTest_2Samp
sx1
,
n1
,
sx2
,
n2
[
,
Hypoth
]
(Summary stats input)
Performs a two-sample
F
test. A summary
of results is stored in the
stat.results
variable. (See page 172.)
For H
a
:
σ
1 >
σ
2, set
Hypoth
>0
For H
a
:
σ
1
≠ σ
2 (default), set
Hypoth
=0
For H
a
:
σ
1 <
σ
2, set
Hypoth
<0
For information on the effect of empty
elements in a list, see
Empty (Void)
Elements
Output variable
Description
stat.
F
Calculated
F
statistic for the data sequence
stat.PVal
Smallest level of significance at which the null hypothesis can be rejected
stat.dfNumer
numerator degrees of freedom = n1-1
stat.dfDenom
denominator degrees of freedom = n2-1
stat.sx1, stat.sx2
Sample standard deviations of the data sequences in
List 1
and
List 2
stat.x1_bar
stat.x2_bar
Sample means of the data sequences in
List 1
and
List 2
stat.n1, stat.n2
Size of the samples
Func
Catalog >
Func
Block
EndFunc
Template for creating a user-defined
function.
Define a piecewise function:
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