Ejercicios Resueltos-Estadistica Descriptiva (Parte2)

 

@nagn`grëh gfgotrÿn`oh

G]N=38

GEGYO@O@L_ YG_WGF]L_5 G_]HM@_]@OH MG_OY@S]@RH (SHY]G 9)

8.  H un `nvgst`ahmlr fg gntrÿ un v`rus olkputho`lnhf qug ilrrÿ fh ihsg mg mhtls mg su `nvgst`aho`ÿn fh qug kgmëh fh plsturh mg rgojhzl l hogptho`ÿn brgntg h fh fgy mg m`vlro`l. Gstls mhtls gsthihn m`v`m`mls gn jlkirgs y kuegrgs. Nls p`mg hyumh phrh qug fg mgvlfvhkls fls mhtls pgrm`mls.

 HOGS]H (]L]HF) (%B@FH) (%OLF) (%]L]HF) YGOJHUH

KWEGYG_

JLKIYG_

]L]HF

81 --?=%

-=:% ---

??

-= ---93% -:% 92% ?3 93 73 h) Mg gntrg fhs kuegrgs kuegrgs.. ¼Xuà plrogntheg hogpth fh fgy mg m`vlro`l< i) ¼Xuà plrogntheg mg fh kugstrh rgoj rgojhzh hzh fh fgy mg m`vlro`l<

9. Gf phmrg mg Yligrtl fg pgrk`tg tlkhr un ohrhkgfl mg unh ilfsh. Yligrtl nl pugmg vgr fls ohrhkgfls y gf nõkgrl mg ohrhkgfls plr olflr qug jhy gn fh ilfsh sg kugstrh gn gf s`au`gntg arèb`ol5 ¼Xuà brgougno`h rgfht`vh plrogntuhf prgsgnth gf ohrhkgfl rlel< 1 2 7 = ? 9 8 3 YL EL EL

NH YH YH NE NE H HK HY HY @F @FF L

R GY GYMG

YL _H _H

R@ LF LF G] G] H

KHYYL N KH

HUW F

?. Gf m`harhkh kugstrh fls rgsufthmls mg un gxhkgn mg Srlihi`f`mhm mg mls arupls mgnlk`nhmls H y I. Fh puntuho`ÿn kgm`h mgf Arupl H gs 29,33 y fh kgm`h mgf Arupl I gs 2=,73. Fls gstum`hntgs hprugihn gstg gxhkgn ouhnml su puntuho`ÿn gs 73 l kès. Hf lisgrvhr gf m`harhkh, gf mlogntg hb`rkh qug gf Arupl I tuvl un kgelr rgnm`k`gntl qug gf Arupl H. Fls

 Hux`f`hr5 F`zhnmrl F`zhnmrl Shojgol

 

@nagn`grëh gfgotrÿn`oh

G]N=38

gstum`hntgs mgf Arupl H nl gstèn mg hougrml. ¼Sugmg Wm. gfhilrhr un hraukgntl olnv`nogntg mg fh pls`o`ÿn mg fls gstum`hntgs mgf Arupl H< 2

   _ 7    L    N    K=    W    F    H    G ?    M    L    Y 9    G    K    W    N8 3 3-0

83-80

93-90

?3-?0

=3-=0

73-70

23-20

13-10

:3-:0

03-833

SWN]WHO@LN

AYW YWS SL H

AYW YWSL SL I

=. Gn unh gkprgsh, fh prlmuoo`ÿn gxpgr`kgntl un orgo`k`gntl mgf 97% mgf pr`kgr hf sgaunml høl, mgf =3% mgf sgaunml hf tgrogrl. H) Mgtgrk`nhr fh thsh prlkgm`l mg orgo`k`gntl mgf pr`kgr høl hf tgrogrl. I) gst`khr fh prlmuoo`ÿn mgf ouhrtl høl.

7. Gn gf oursl prg bhouftht`vl, un mlogntg tlkh fls gxèkgngs qug sg ohf`b`ohn mg 3 h 833. _` Ar`sgfmh t`gng unh kgm`h mg 23 puntls mg sus pr`kgrls ouhtrl gxèkgngs y gn gf qu`ntl lituvl unh nlth mg :3 puntls ¼Ouèf gs fh kgm`h mg fhs nlths mg Ar`sgfmh phrh fls o`nol gxèkgngs<

2. _g jh rghf`zhml un gstum`l gntrg 833 kuegrgs khylrgs mg 87 høls, lisgrvènmlsg gf nõkgrl mg j`els mg fhs k`skhs. Gf rgsufthml jh s`ml5 Nõkgrl mg j`e ls

h) i) o) m)

Nõkgrl mg kuegrgs

3 8? 8 93 9 97 ? 93 = 88 7 1 2 = Ohfoufhr fh m`str`iuo`ÿn mg brgougno`hs mg fh vhr`hifg litgn`gnml fhs brgougno`hs hislfuths, rgfht`vhs y sus olrrgsplnm`gntgs houkufhmhs. houkufhmhs. Ohfoufhr gf n nõkgrl õkgrl kgm`l mg j`els, ffh h kgm`hnh y fh kl klmh. mh. Ohfoufhr fls ouhrt`fgs. G Gxpf`ohr xpf`ohr s su u s`an`b`ohm s`an`b`ohml. l. ¼Ouèf gs gf nõkgrl kèx`kl mg j`els qug t`gng gf 13% mg fhs kuegrgs qug kgnls j`els t`gngn<

g) Ohfoufhr fh v vhr`hnzh, hr`hnzh, mgsv mgsv`ho`ÿn `ho`ÿn tëp`oh y olgb`o`gntg mg vhr`ho`ÿn.

 Hux`f`hr5 F`zhnmrl F`zhnmrl Shojgol