Examen Estadistica I

August 17, 2022 | Author: Anonymous | Category: N/A
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^uortk Krlbz, 28 lo ogork lo 6>62 Gkefro0 Bdkstb P. Ebyoihs L Dèluib0 61.81?.114 Toddhôg0 4L2

OZBEOG LO OT\BLHT\HDB 2. Lochgb ib hepkrtbgdhb lo ib prkfbfhihlbl og oi dbepk lo ib blehghstrbdhôg y odkgkeåb

Jky og låb eudjks goakdhks bpihdbg ib prkfbfhihlbl pbrb ib tkeb lo lodhshkgos. Iks ekloiks lo  prkfbfhihlbl puolog byulbr ogkreoeogto b iks goakdhks b kpthehzbr sus pkiåthdbs y tkebr  lodhshkgos soaurbs, osks eètklks puolog hgdroeogtbr ib rogtbfhihlbl y èxhtk lo ug goakdhk. Lhdjks ekloik ekl oikss lo prkfbf prkfbfhih hihlbl lbl poreht porehtog og b ibs dkepbò dkepbòåbs åbs lhs lhsoòb oòbrr ug dkg`ug dkg`ugtk tk lo ost ostrbt rbtoah oahbs bs lo hgckrebdhôg dkgshlorbglk b ibs dkepbòåbs og dkepotogdhb. Ib ðghdb ebgorb lo quo ug goakdhk puolb togor og duogtb ostks rhosaks bi tkebr lodhshkgos skfro hgvorshôg os usbr ib prkfbfhihlbl dkek ug eètklk lo dâiduik. Iuoak lo bgbihzbr ibs prkfbfhihlblos lo abgbgdhb y pèrlhlb bskdhblbs dkg dblb lodhshôg lo hgvorshôg, ug goakdhk puolo bpihdbr ekloiks lo prkfbfhihlbl pbrb dbiduibr què hgvorshôg k dkefhgbdhkgos lo èstb prkludog ib eâxheb abgbgdhb osporblb. Lo tklb tklbss ib ibss ebto ebtoeâ eâth thdb dbss quo quo so os ostu tulh lhbg bg,, ghga ghgaug ugbb os eâ eâss he hepk pkrt rtbg bgto to qu quoo oi dâ dâid idui uik k lo  prkfbfhihlblos y shg lulb ib eâs uthihzblb og oi dbepk lo ib odkgkeåb. Dubiquhorb quo sob ib  prkcoshôg quo so oih`b, oih`b, ugb dksb os soaurb0 toglrâg g godoshlbl odoshlbl lo tkebr lodhshkgos. lodhshkgos. Thg lulb biaugb os ugb jorrbehogtb quo byulb og ib tkeb lo lodhshkgos y b ib robihzbdhôg lo ostrbtoahbs quo kpthehdog oi losbrrkiik lo dubiquhor oeprosb u krabghzbdhôg. 6. Losdrhfb ib côreuib lo ib prkfbfhihlbl y oxpihquo iks quo kdurro dubglk ib prkfbfhihlbl so lb logtrk loi rbgak shauhogto. >≬p(B)≬2

^rkfbfhihlbl lo ug ovogtk 5 (# lo ebgorbs og ibs quo puolo sudolor) / (gðeork tktbi lo rosuitblks) ^(B) 5 (# lo ebgorbs og ibs quo B puolo sudolor) / (gðeork tktbi lo rosuitblks) >≬p(B (B)≬ )≬2 2 sha Dubglk ib prkfbf Dubglk prkfbfhih hihlb lbl l so lb logtrk logtrk loi rbgak rbgak >≬p shagh ghchd chdbb quo dubglk dubglk oi ovogtk ovogtk os hepkshfio so lhdo quo su prkfbfhihlbl os >, sh oi ovogtk os dhortk y shoepro thogo quo kdurrhr su  prkfbfhihlbl os 2, y og dbsk lo sor >,? ib prkfbfhihl prkfbfhihlbl bl puolo kdurrhr k gk. 4. Lochghr iks shauhogtos dkgdoptks ^VKFBFHIHLBL0 os oi dâiduik ebtoeâthdk quo ovbiðb ibs pkshfhihlblos quo oxhstog lo quo ugb dksb sudolb dubglk hgtorvhogo oi bzbr, os lodhr, ib pkshfhihlbl lo quo ug ovogtk kdurrb k gk. OT^BDHK E_OT\VBI0 os oi dkg`ugtk lo pkshfios rosuitblks lo ug oxporheogtk. T_DOTK0 dubiquhor sufdkg`ugtk lo ug ospbdhk euostrbi= ostk os, b dubiquhor pkshfio rosuitblk lo ug oxporheogtk biobtkrhk. OZ^OVHEOG\K BIOB\KVHK0 os ugb pruofb quo dkgshsto og ropothr ug cogôeogk biobtkrhk dkg biobtkrhk dkg

oi kf`othvk lo bgbihzbrik y oxtrbor dkgdiushkgos skfro su dkepkrtbehogtk.

 

SBVHBFIO SBVHBF IO BIOB\K BIOB\KVHB VHB00 os ugb cugdhô cugdhôg g quo bsh bshagb agb ug vbikr, vbikr, usubie usubieogt ogtoo gueèrh gueèrhdk, dk, bi rosuitblk lo ug oxporheogtk biobtkrhk. ,3>. _gb vbrhbfio lhsdrotb puolo bsuehr ug gðeork dkgtbfio lo vbikros, os lodhr, os lodhr, skik blquhoro vbikros lo ug dkg`ugtk, gk dubiquhor vbikr. O@OE^IK0

Oi gðeork lo butkeôvhios quo thogo ugb porskgb os ugb vbrhbfio lhsdrotb. _g jkefro puolo jkefro puolo togor,  pkr o`oepik, ug butkeôvhi, lks butkeôvhios k tros butkeôvhios, pkr dhtbr biaugbs pkshfhihlblos. pkshfhihlblos. ^ork gk puolo togor 2,3 butkeôvhios gh 6,: butkeôvhios. ?. To robihzb ug oxporheogtk biobtkrhk bi ibgzbr ug lblk jbdhb brrhfb CKVE_IB0 DBTKT B CBSKV / DBTKT \K\BIOT b) ^rkfbfhihlbl lo sbdbr 6 y 6

Tudosk hepkshfio quo kdurrb, os lodhr, >%. ^krquo os ug skik lblk f) ^rkfbfhihlbl lo sbdbr 4

^ (4) 5 2/3 5 >,23 x 2>>% 5 23% d) ^rkfbfhihlbl lo sbdbr 6 k 3

^ (6 k 3) 5 6/3 5 >,44 Z 2>>% 5 44% l) ^rkfbfhihlbl lo sbdbr ug gueork pbr

 Gðeorks pbros og ug lblk0 6,,?> x 2>>% 5 ?>% o) ^rkfbfhihlbl lo sbdbr ug gueork hepbr

 Gðeorks hepbros og ug lblk0 lblk0 2,4,? ^ (gðeork hepbr) 5 4/3 5 >,?> x 2>>% 5 ?>% 3. Og ug sbiôg lo dibsos jby 4> biuegks, lo iks dubios 6> skg jkefro y oi rostk eu`oros. Duâi os ib prkfbfhihlbl lo oioahr b ugb eu`or og osto sbiôg

^ (eu`or) 5 2>/4> 5 >,44 x 2>>% 5 44%

 

1. Ogduogtros ib prkfbfhihlbl lo osdkaor biobtkrhbeogto ugb dbghdb bebrhiib og ugb fkisb quo dkgthogo 4 dbghdbs bebrhiib, 6rk`b y 2 bzui

^ (bebrhiib) 5 4/3 5 >,?> x 2>>% 5 ?>% :. Og oi shauhogto oxporhe oxporheogtk ogtk biobtkrhk lo ug lblk lo ib chaurb shauhogto, losdrhfb losdrhfb oi ospbdhk euostrbi y ug sudosk.

OT^BDHK E_OT\VBI0 2,6,4,
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