Page 149 - Bangladesh_classwiz_BOOK2018_rev_Neat

‡Kv‡bv GKwU †kÖwYi wkÿv_©x‡`i MwY‡Z cÖvß b¤^‡ii MYmsL¨v mviwY wb‡P †`Iqv n‡jv|

‡kÖYx e¨vwß MYmsL¨v
25-34 5
35-44 10
45-54 15
55-64 20
65-74 30
75-84 16
85-94 4

GLv‡b †h‡nZz †kÖYxe¨wß Av‡Q Ges K¨vjKz‡jU‡i, Kjv‡g GKwU K‡i gvb cÖ‡ek Kiv‡Z nq, †m‡nZz, Avgv‡`i
†kÖYx ga¨gvb wbY©q K‡i Zv Kjv‡g cÖ‡ek Kiv‡Z n‡e| ga¨gvb Spreadsheet Gi gva¨‡g wbY©q K‡i, wb‡¤œvv³
†Uwej ˆZwi Kiv n‡jv-

‡kÖwYi EaŸ©gvb + †kÖwYi wb¤œgvb
‡kÖwY ga¨gvb =
2

‡kÖYx e¨vwß ‡kÖwYi ga¨gvb MYmsL¨v
25-34 29.5 5
35-44 39.5 10
45-54 49.5 15
55-64 59.5 20
65-74 69.5 30
75-84 79.5 16
85-94 89.5 4
n = 100

GLv‡b K¨vjKz‡jU‡ii Kjv‡g ga¨gvb Ges frequency Kjv‡g MYmsL¨v cÖ‡ek Kiv‡Z n‡e| g‡b ivL‡Z n‡e
cÖ‡Z¨KwU DcvË cÖ‡ek Kiv‡bvi ci =evUb Pvc‡Z n‡e| Dcv˸‡jv cÖ‡ek Kiv‡bvi ci wb‡¤œvv³ w¯Œb 2wU †`Lv
hv‡e

Dcv˸‡jv wVKg‡Zv cÖ‡ek Kiv‡bv n‡jv wKbv Zv †PK Kivi Rb¨ EI RevUb e¨envi Kiv hvq|

GLb c~‡e©i g‡Zv, CevUb †P‡c, T2evUb Pvc‡j, c~‡e©i g‡Zv me¸‡jv djvdj w¯Œ‡b †`Lv hv‡e, hv wb‡P
†`Lv‡bv n‡jv

144