Φύλλο Εργασίας 2012
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Transcript of Φύλλο Εργασίας 2012
: .2.3 ____________________ .
)
1. ( ):
.3 .100 : 5, 16, -10, 0, 27, 14, -20, 34
2. :
(: xi ).12 .101 :
xii
[0,2)8
[2,4)12
[4,6)10
[6,8)6
[8,10)4
: (??)
: :
fi
10,2
20,65
30,1
40,05
v=200 . ;
)
w :
.7 .100 12, 10, 16, 18, 14. ) . ) () 2, 3, 1, 1, 3 ;
)
1. .
:
=
= .
.15 .102
: 7, 11, 10, 13, 15, 03, 12, 11, 04, 14. .
.9 101 6. 5, 8, 9. .
: .100. .1,2,3,4,5, 6( ) 2: .2.3
)
2. . .
=
= .
:
i
011
129
232
38
80
3. % (. Fi %).12 .101 % (. Fi %) :
xiiFi %
[0,2)8
[2,4)12
[4,6)10
[6,8)6
[8,10)4
( ) ;
, ____________________________________.
(measures of variation, dispersion measures): .
) (R) (range)
R= xmax - xmin:
:
.
: ;
) - (s2)
1. . :
( ) .
.15 .102
: 7, 11, 10, 13, 15, 03, 12, 11, 04, 14. .
: .100-101. .8, 10)), 11)), 13, 14 3: .2.3 ) - (s2)
2. . :
( )
(: xi )
.16 .102.
xii
[0,2)8
[2,4)12
[4,6)10
[6,8)6
[8,10)4
) (s)
:
;
- :____________________________________________
- : (. ) . :
) (x-s, x+s) 68%
) (x-2s, x+2s) 95%
) (x-3s, x+3s) 99,7%
) R 6s.17 .102. 10 2 . , :) 8 ) 14 ) 10 ) 6 12 .
) (CV) _______________________ ____ ____________________________.
: . ________________ . ___________________ CV