F- , , . Statistica 6.
, F- m, n, , χ- (-) m n n/m.
F- . . , F- .
t- , . t-.
t- . , χ- (-).
t- k - , .
t- , k/(k-2).
, χ-, k . , . k χ- . , k = l χ- . , , .
F-
F (Fisher) (F -) ( 3.1 ).
df1 ( 1) 10, df2 ( 2) 11. Create Graph ( ).
0,5. Compute (), ( 3.1 ).
) )
3.1 F- :
) ; ) F- 10, 11
T-
t (Student) (t - ) ( 3.2 ).
df 5 . Create Graph ( ).
0,5. Compute (), ( 3.2 ).
( 30) t- .
t- : ,
, , .
a) )
3.2 t- : a) ; ) t- 5
|
|
. df ( ) 50. Compute (), ( 3.3).
3.3
50
, 50, , , .
χ- (-)
Chi? (χ-)( 3.4).
3.4 χ--
df 7 .
0,95. Compute (), Chi? 0,95 χ-- 7 (14,06714).
Create Graph ( ) Compute () Enter , χ- 7 ( 3.5).
3.5 χ- 7
, .
χ- , .
1 F-, t- χ- 0,95.
2 .
3.1
df1 | df2 | ||
F- | |||
F- | |||
F- | |||
F- | |||
F- | |||
F- | |||
F- | |||
F- | |||
F- | |||
F- | |||
F- | |||
t- | |||
t- | |||
t- | |||
t- | |||
t- | |||
t- | |||
χ- | |||
χ- | |||
χ- | |||
χ- | |||
χ- | |||
χ- |
4
(MS Excel)
: MS Excel.