3582282649

STATYSTYKA OPISOW A

Analiza struktury
— 1 ^x=zL^x> n j_!			1 * ^n l-l		- 1 A . ^x=~L^x>^n‘ ^n 1-1
_ n ^XH » , £7 i-* ^A,			_ n ^XH „ z^ tTA		_ n ^Xn ~ " If i-l ,
			Ż*; y-i			A A Z^5;^ y-« | m
			A'			A' A'
*5^2(a) = -£(*, ~*Y n j_i			S^2(a) =-£(*,-J)^2 w, ^n 1-1		«S^2(at) =-£(*i-*)*'"i n
^(a') = ~~- 100%					S(x) = JS^!(x)
^rf<*)=^Żk-*l ^n l-l			</(a) = -£|a,-.y| ^ ^w *-1		" l-l
x-S(x)<xfip <x+S(x)
R = max{x}} - min {x;}
Mj(*) =“£(*,-A')' ^n >.]			M,(Ar) = -£(xł-jr)^,-iił W i-i		(^x)=-Y.(^xi~^xY'^n‘ n >_i
y s\X)
i- ^X~^D	D =		v 1 ^W° ^n°^A \v		Qp	Pn-cum(n, ,)
S( X)			^lX> ^1 / \ \ ^AAo			-v^1 „ ^nQ*
q 2izSŁ ^v 2	K„ = —-100%				t (gt-Aft)-(Mp-a) <■' (ft-M?) + (AA-G)
Analiza korelacji
			covMy) Źfc-^to-ł)
			'• S(x)S(y) }	±(*,-*Y-±(y,-yf
6-ik-r.f ^^=1--7|7-i)					/?’ = • 100%
r=ŹŹ^^. 1-1 1-1 ^ny ^n					r= -^-r
c=J-A 1" + Z		l|w(^r- 1X^-1)			- 7(n„ +n,2)(/i2, H-n^KWn +»2iXw2
y = ax + b		* ■S(y) cov(A,y) " ^r-5(A) 5^2(A) » ,			ff A’ Z* Z ±J_i=l /» A Z*, V ■»-! >	y>	b = y-ax
x = cy + d		SM cov(a-,v) ^S(v) 5^2(v) * 2 "Z>> ~			/r #r z,z ^r * 'N Z.-'. Vi-i V	y,	d = x-ćy