Page 148 - Bangladesh_classwiz_BOOK2018_rev_Neat

GQvov PZz_©K (Quartiles)-

= 8
1

= ( ) = ga¨K = 9
2
= 11 cvIqv hvq|
3
GQvovI Avjv`v fv‡e Dc‡iv³ dj¸‡jv †ei Kiv hvq| GRb¨ Dcv˸‡jv cÖ‡ek Kiv‡bvi ci CevUb †P‡c,
TGes ZviciRevUb Pvc‡Z n‡e| w¯ŒbwU wb‡P †`Lv‡bv n‡jv,

2
Gici 1(Summation) evUb Pvc‡j x Ges x ‡hvMdj †ei Kiv hv‡e, ïaygvÎ x †ei Ki‡Z
n‡j,1evUb †P‡c= evUb Pvc‡Z n‡e, d‡j x = 297 cvIqv hv‡e| hv Dc‡ii 2q I 3q wP‡Î †`Lv‡bv
2
n‡jv| GKB fv‡e x ‡ei Kiv hvq|

Avevi 2(Variable) evUb Pvc‡j, wb‡¤œvv³ w¯Œb †`Lv hv‡e|

GB ZvwjKv †_‡K, 1†_‡K 6evUb e¨envi K‡i, Mogvb †f`v¼, cwiwg‡Zv e¨eavb I †gvU cÖ‡ekK…Z msL¨v
̅
̅
Rvbv hv‡e|, ïaygvÎ Mo †ei Ki‡Z n‡j,1evUb †P‡c= evUb Pvc‡Z n‡e, d‡j = 9.58064 cvIqv
hv‡e| hv Dc‡ii 2q I 3q wP‡Î †`Lv‡bv n‡jv|GKB fv‡e min/max ZvwjKv †_‡K min, max, med (ga¨K)
Ges PZz_©K¸‡jv †ei Kiv hvq|

Avevi, MYmsL¨vmn KvR Kivi Rb¨ wb‡¤œvv³ wP‡Î Avm‡Z n‡e, †mBRb¨ wb‡¤œvv³ evUb Pvc‡Z n‡e,
w61CqwR3

Gici 1evUb Pvc†j Dc‡ii 2q w¯ŒbwU †`Lv hv‡e, g‡b ivL‡Z n‡e, GLb cÖwZwU Kjv‡g 80wU K‡i gvb cÖ‡ek

Kiv‡bv hv‡e| 2q wP‡Î 2 wU Kjvg †`Lv hv‡”Q, cÖ_gwU Ges wØZxqwU Frequency (MYmsL¨v) cÖ‡ek Kiv‡bvi
R‡b¨| K¨vjKz‡jUiwU, wKfv‡e MYmsL¨v wb‡q KvR K‡i, Zv †`Lvi Rb¨ wb‡Pi D`vniYwU †Lqvj Kwi|

143