Генетика. Часть 5. Статистические методы изучения изменчивости. Крюков В.И. - 136 стр.

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. .  5. . 
. –: , 2006. –208 .
136
 37 ()
 ()  100 
9 10 11 12 13 14 15 16
p
x
a
x
p
x
·a
x
p
x
·a
2
x
4400
-
-4599
4600
-
-4799
4800
-4999
5000
-5199
II 
– – – –
1 –5 –5 25
– – – –
4 –4 –16 64
– – – –
8 –3 –24 72
– – – –
5 –2 –10 20
1 – – –
16 –1 –16 16
– – – –
16 0 0 0
5 – – –
25 1 25 25
– 3 – –
9 2 18 36
4 – – –
7 3 21 63
– 2 3 2
8 4 32 128
– – 1 –
1 5 5 25
n=
100
–
p
x
·a
x
=
= +30
p
x
·a
2
x
=
=474
10 5 4 2
2 3 4 5 –
20 15 16 10 p
y
·a
y
= +22
40 45 64 50 p
y
·a
2
y
= 378
9 10 11 12 13 14 15 16 
                                136


                                                        37 (            )
                        ( )     100

  9      10      11      12           13       14     15        16

4400-   4600-   4800    5000
-4599   -4799   -4999   -5199         px       ax    px·ax     px·a2x


         II
  –       –       –       –           1        –5     –5        25
  –       –       –       –           4        –4     –16       64
  –       –       –       –           8        –3     –24       72
  –       –       –       –           5        –2     –10       20
  1       –       –       –           16       –1     –16       16

  –       –       –       –           16       0       0         0

  5       –       –       –           25       1      25        25
  –       3       –       –           9        2      18        36
  4       –       –       –           7        3      21        63
  –       2       3       2           8        4      32       128
  –       –       1       –           1        5       5        25
                                     n=               px·ax=   px·a2x=
                                               –
                                     100             = +30     =474
 10       5       4       2
  2       3       4       5      –
 20      15      16      10           py·ay = +22
 40      45      64      50           py·a2y = 378
  9      10      11      12           13       14      15       16


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     .    .   5.                               .
                    .– :        , 2006. –208 .

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