Page 185 - Grade 10 C.Math

PsfO 17
tYofª\s zf:q (Statistics)

17.0. k'g/fjnf]sg (Review)
Curriculum Development Centre
– PsfO k/LIffdf 5 hgf ljb\ofyL{x¿sf] k|fKtfª\s 40, 45, 50, 55 / 60 5 eg] cf};t
k|fKtfª\s slt x'G5 < kTtf nufpg'xf];\ .

– a9\bf] cyjf 36\bf] j|mddf ldnfOPsf] >]0fLnfO{ b'O{ a/fa/ efu nufpg] kbsf] d"NonfO{
s] elgG5 .
– ;aeGbf a9L bf]xl/Psf] kbsf] d"NonfO{ s] elgG5 .

– g]kfndf a:g] gful/ssf] xfnsf] cf};t cfo' / cf};t cfo slt 5 < vf]hL u/L
sIffsf]7fdf k|:t't ug'{xf];\ .
"
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{
]
]
'
[
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– juLst tYofªs eGgfn s alemG5 < ;dxdf 5nkmn u/L pbfx/0f;lxt k:tt ugxf; .
]
\
'
{
- 2, 4, 5, 6, 7, 8, 9, 10, 12, 7, 8, 15,
17, 19, 14, 12, 11, 17, 18 nfO{ 0-4, 4-8, 8-12, 12-16, 16-20
juf{Gt/df af/Daf/tf tflnsf agfO k|:t't ug'{xf];\ .
17.1 juL{s[t tYofª\ssf] dWos (Mean of grouped data)
cfk\mgf] 6f]n cyjf l5d]sdf ePsf ljleGg pd]/ ;d"xsf dflg;x¿sf] ;ª\Vof cg'dfg u/L
tn lbOPsf] tflnsf eg'{xf];\ M
pd]/ -jif{df_ dflg;x¿sf] ;ª\Vof pd]/sf] dWos dfg fm
(f) (m)
0-15
15-30
30-45
45-60
60-75
75-90
f = fm =


 sf] dfg slt x'G5, kTtf nufO{ / sIffsf]7fdf k|:t't ug'{xf];\ .

juL{s[t tYofª\sdf dWodfg (Mean value) kTtf nufpg lgDg r/0fx¿ ckgfpg'k5{ .
-s_ ljleGg ju{sf] dWolaGb' 'm' sf] dfg kTtf nufpg'k5{ .

182 ul0ft, sIff – 10