10. Wyka*, te:
c-vZX' + (tx,
v \r.l /
12* Wykaż, że;
d‘ 2 J .V + 10
'=* »=J
A*
gd/ie; Jp, 13. Wykaż, żc:
N
Z*
r=l
iV
r-*l
A
A’
2*
gtteic: X=_
N
»=1
,4' D,a nas,ępuwch par pomiarów
*i = J
^2 = 2
*=i
Ki =4 >'2 = 3
oblicz; 4
*!* ł'; 2
* -4 y* = i
*• X>\
<=J
c. <Xj 4 Ki) + ( *2 + Y2) ♦ (X3 + K3) ♦ ix4 4 Ki) ♦ <Xs 4 K5)
Rozw iązania zadań
1. a. |
15 I.v„ i»l |
.V »> £k,. ai |
t | |
d. |
tm. |
N e- XxV,. |
r. |
1 £x, 4 Sc. |
r=i |
«a| |
i=l | ||
25 |
, * h. ;xx. |
VI/? | ||
8- |
L |
c£x?K,. | ||
r=l |
r=l |
r=l | ||
2. a. |
X, 4 X2, | |||
b. |
XiKi 4 X2Y: 4 |
x3k3. |
d. rXT>'i + cXlYi 4 cX5K3.
c. (Xi 4 c) 4 (X: 4 c) 4 (X) 4 c) 4 1X4 4 c).
. X,X2 *3 Xl X5
f‘ ~ +7 + 7+~ + r +^I + cK2 + cKj + cK4+cK5.
3. a. 24. b. Ne. c. 2W.
6. i (X, + rm - ro = £ (X? - łf - X,y, * x,r, >=£ (x? - rf >=f a? - £ rf
*=1 <=» r=l 0=1 «=|
7. £ |Af, + c)2 = £ (X? + M< + C:) = X X; + 2c£ V, + Nr.
g. 1955. h. 94. i. 11.30.
9. a. Fałsz; b. Fałsz; c. Prawda; d. Prawda.
z£., JVgrX? _ 21XIX_ N2 JV
= X X2 +
(ixr 2(xxr =