( ). , , . .
n , , () n.
, (1)
.
.
n ³ 40, (1) . k n . 1.
1
n | 40 60 | 60 100 | 100 200 | 200 500 |
k | 6 7 | 7 10 | 10 14 | 14 17 |
(1) x max x min D
. (2)
D , (1). , D . , k. . 1, k , . 1.
: . D . (1). , . . 1. . 2.
2
. | - - | - | Z | a | aZ | a2 Z | a3 Z | a4 Z |
## ## // | ||||||||
(1) . , , . . 2 . , , D. (1) , .
|
|
. X ( ), , 18,5 . n = 40.
.
144, 149, 199, 174, 176, 183, 239, 208,
120, 150, 203, 160, 180, 207, 221, 220,
117, 158, 170, 282, 177, 218, 210, 190,
225, 149, 250, 101, 179, 236, 198, 193,
230, 240, 163, 238, 178, 183, 213, 211.
x min = 101; x max = 282. n = 40 . 1 k = 6.
. 3 . 2.
3
ai | aiZi | |||||||
86 115 116 145 146 175 176 205 206 235 236 265 266 295 | 100,5 130,5 160,5 190,5 220,5 250,5 280,5 | / /// ## /// ## ## // ## ## ## / | -3 -2 -1 | -3 -6 -8 | -27 -24 -8 | |||
1- . 86 + 30 = 116; 116 + 30 = 140 . . 116 - 1=115, 115 + 30 = 145 .. , .. 2 .3.
. 2. 1 2 . 2, 3. (1) , , . 3 . , , . ( . 4). . .
() . 3 4 . 3.
, x i, , , , Zi.
ai:
, (3)
ai - i- ;
x i i- ;
.
, (3) , . 2, , ai = 0, ai-1 = - 1, ai-2 = - 2, . ., i- - ai+1 = 1, ai+2 = 2, ai+3 = 3 .. 6 - 9, .
(). . 3 . .