5 ()

50,68,70,76,66x =

30,96,89,66,49 x =

- -

(Range) ** (Standard Deviation) ** (Mean Deviation) (Quartile Deviation) **

(Range) 1. = 1 = 76-50 = 26 2 = 96-30 = 66

2. 2 1 = 2 =

()(f)(x)140-1448142139.5-144.5145-14910147144.5-149.5150-15416152149.5-154.5155-15914157154.5-159.5160-16410162159.5-164.5165-1695167164.5-169.5170-1742172169.5-174.5

1 = = 174.5-139.5 = 35 2 = = 172-142 = 30

(Standard Deviation) - S S.D.-

*** i N

2.

***

i N k

2 , 3, 4, 5, 6

= 1.41

65 P&A

()(f)(x)fx140-1448142201641136161312145-14910147216091470216900150-15416152231042432369664155-15914157246492198345086160-16410162262441620262440165-169516727889835139445170-1742172295843445916810,0351,553,205

= 7.80

(Quartile Deviation) 4 25% 1 ( ) 3 ( )

1 3

10,5,4,9,12,15,7 4,5,7,9,10,12,15

= 3.5

10,12,14,11,9,7,15,18,22,100

7,9,10,11,12,14,15,18,22,100

4.625

()(f)140-1448145-14910150-15416155-15914160-16410165-1695170-1742

=30.75

= 5.625

- - -

1 3, 5 , 7 , 8 ,10 24,500 4,502 4,503 4,505 4,510 1 2.42 2 3.41

3

1 2

1 2- -

1 23731141028.122.68.58.1