. , ' . ' , .
. , - , ; , . , - .
( , , ). , , , , () . , , , . .
:
h = Xmax Xmin
m
h - ; Xmax - ; Xmin - ; - .
, (Sturgess),
m = 1 +3,322 lg n = 1 + 1,441 ln n,
n .
. , , , .
. , , , , , ' , .
. - .
.
, ', , , . , ' .
|
|
40
3.1
, . | ʳ | , . | ʳ | ||
' .
h = X max X min= 1440-350 = 1090 =218 ..
n 5 5
, /350+218=568/ 350 568, / 568 + 218 = 786/ 536 786 .. ..
, .