h :
,
, k - .
k = 5, xmax = 60 .. xmin = 20 ..
h = ..
h = 8,0 .. (. 2):
2
, .. | , .. | |
20,0 | 28,0 | |
28,0 | 36,0 | |
36,0 | 44,0 | |
44,0 | 52,0 | |
52,0 | 60,0 |
, , [), , (28, 36, 44 52 ..), .
3 ( 4 2).
3
, .. | , .. | , . . | |
20,0-28,0 | |||
28,0-36,0 | |||
36,0-44,0 | |||
44,0-52,0 | |||
52,0-60,0 | |||
. 3 4, .
4
, .., x | , fj | |
20,0-28,0 | ||
28,0-36,0 | ||
36,0-44,0 | ||
44,0-52,0 | ||
52,0-60,0 | ||
- , () Sj, (j-1) , , .
|
|
5
, .., x | , f | Sj | , % | ||
% | |||||
20,0-28,0 | 10,0 | 10,0 | |||
28,0-36,0 | 20,0 | 30,0 | |||
36,0-44,0 | 36,7 | 66,7 | |||
44,0-52,0 | 26,7 | 93,3 | |||
52,0-60,0 | 6,7 | 100,0 | |||
100,0 | - | - |
. , : 36,0 .. 44,0 .. ( 11 , 36,7%); 20,0-28,0 .. 52,0-60,0 .., 3 2 , 10% 6,7% .