1

1

: . & . 4

4

2 test : 2

:

2 test : 2

O

.

,

0 1.

2

0 . , .

0 .

0, 1.

4

0, 1 .0 : = 01: 0 ( ) > 0 ( < 0) (

)

.

(type I error) : 0, = a = P( 0 / 0 )

I (type II error) : 0, = = P( 0 / 0 )

0

1

2

5

()

(

)

0

0

0

p=1-a

1

p=1- =

0 0 , 0 . 1 0 , 0 . . a

.

,

6

:1) ij >= 5 (expected) 5 20% ij

3

9

:

3users.auth.gr/askourke

Kolmogorov-Smirnov test ( )

( )

Binomial test

Tests

-test

. .

.

( ). .

(pattern) .

0 : 1 :

( pattern).

FILE OPENDATA gss.sav

Analyze Nonparametric Tests RunsTest

4

:

: 2 (.. ).

p-value < 0.05

H0

, F0(x). :0 : F(x)=F0(x) H1 : F(x) F0(x)

; ;

Analyze Nonparametric Tests 1-Sample K-S

p-value < 0.05. ,

: -S .

. n>30 .. .

K-S ,

5

. :0 : p=p0H1 : p > p0 p < p0 ().

: 2 (cut point) . (.. ).

48% ;

Analyze Nonparametric Tests Binomial

`

p-value < 0.05

H0 1:p

6

p-value < 0.05, .

QQ plot

y=x. .

.

0.5/0.063 = 7.94,

, :0 : = 01 : 0 ( )

:

() tn-1 ( .. ). t > tn-1 0 . test ( ) - .

(country15.sav), () 50% ;

Analyze Descripive Statistics Explore

FILE OPENDATA country15.sav

;

test.

7

Analyze Compare Means One Sample T test

test

0: =50

n-1

95% :(-12.42+50, 11.13+50)= (37.58, 61.13)

(country15.sav), () 50%;

t = -0.118