Page 117 - الرياضيات المتقدمة كتاب الطالب للصف 11 الفصل 1

b Gb ^ Æar© {6 1.b d?Wb ç 2;N x- 'b X?cb f Ÿ .[ gb zB y2b

,1Vfa yb Y U1Ne

E S R: ± E S; ± ] ±»C< R ± ¤Ð­ C Õ 7 C F:Û94 »P0: ±

central tendency
–¡I ¹±P ‡ d C ± X b ± P Ò­ (› X b ± D R C4 ± û0 ±

³R6/: ± ´C C= ± I› – I£ – žI¡ – £Iœ – I – ›I – I£ ´C C= d C ± E C ± ³P b ±
coded data ˜E906; Ò­ ³¹R6
mean d C ± X b ± E:= P b E C ± E Š± ÏP ± (œ E C ± ÏP

variance ` C ± _ – œI› ” ›› • ›I£ ” ¢ • ›I¡ ” \ 2 Ò ³«C68
Û
›› • ¢ • E P ± ´±»C ±
Ô»C=4: ± ˱R „±
˜d72; H C; ± Э ` \Û7 ˜E C;: ±
standard deviation

¦ i y a cyb& 40-i . fa

´±»C<: ± ` C< gC R= 6 Ò C<9=9 _ C< = R Ò C<:=3; Ò ´C C= ± _< c9 ³»P7 ± P4

–´„C : ± ` P P4 ± d ´ 8/: ± ^ Ò »±R7 ± ºC C C< C »„ ±ÕR3 ³C= ± d E:<: ±
E4 C ± d E69 Z=h±b E ±»P ³P=6 ³P b ± ÑQ d C< ±»¹ _ = d ± ´C=;7 C

˜»C M± ³«±R P; Ò
ÎÎÓ