Unidad 1 Actividad 1 Estadistica Inferencial

 

Gstbcësmb d`ngrg`mdbj

Bmtvdcbc 2

]gebstdâ` Jazb`a Karb DC 748>94

Bckd`dsrbmdý` n`b`mdgrb Sbjjgr saerg Cdsrdeumda`gs cg praebedjdcbc Juds Gkdjda Xgrdjjb Srdb`b ]gptgkerg 5852

 

MAUXAUBMDÝ@ W@D^GU]DSBUDB KD@WSA CG CDA] - W@DKD@WSA NBMWJSBC CG MDG@MDB] GKXUG]BUDBJG] G]SBCË]SDMB D@NGUG@MDBJ W@DCBC 2 BMSD^DCBC 2 SBJJGU ]AEUG CD]SUDEWMDA@G] CG XUAEBEDJDCBC

2. Jarg`b Xgrdjjb, ogg cgj Cgpbrbkg`a cg Bckdsda`gs cg jb W@DKD@WSA, gsâ g`grbcb cg qug gj pbia prakgcda kg`subj cg u` gsucdb`g qug lb n`b`mdbca su kbrëmujb gs cg $225.888 y jb cgsvdbmdý` gsâ`cbr gs cg $7>.888. ]d Jarg`b bucdb b 78 gsucdb`gs sgjgmmda`bcas bj bzbr, g`mug`rg jb praebedjdcbc cg qug gj pbia prakgcda kg`subj cg jb kugsrb sgb? b) Kg`ar qug $288

X(  x : ±288) ; 8,7 · ; 225 ` ; 78 I ; 7> Ix

;

  7> 78 ∟ 78

;9.4247

288∕ 225 _ ;

_ ; 8,3=37

7>

∟ 78

;2.7275

e) G`rg $288 y $2=8 2=8∕ 225 _ ;

7>

∟ 78

;5.595

 

_ ; 8,34>>

5. Gj kd`dsgrda cgj rbeboa eusmb kacdnmbr jb gcbc pg`sda`bj cg jbs kuogrgs g` Majakedb. Bj rbebobr ma` u`b kugsrb cdsrdeudcb `arkbjkg`g g`mug`rb qug su kgcdb gs cg 7> bòas y cgsvdbmdý` gsâ`cbr cg 52bòas. ±quä b` irb`cg cgeg akbrsg u`b kugsrb pbrb qug lbyb bj kg`as gj 48 % cg pasdedjdcbcgs cg qug su kgcdb sgb kbyar qug 75 bòas1 Cbas K;7> γ ;± 52 _;48%

B;8.37;

 \ ∕55,7

=,2

\;(2.>37*=.2)+55.7 \;59,> 5< ≇

B@G\A]

Wsg jbs bejbs qug sg kugsrb` b ma`t`ubmdý` pbrb cbr sajumdý` b jas gogrmdmdas pjb`gbcas g` gj bjjgr.

 

Jgvd`, U. (5852). Gstbcdstdmb LBJJ/XGBU]A@.

Xbrb Bckd`dstrbmda` T Gma`akdb M/Mc  (9.  (9.b gc.).

XUG@SDMG

*Ârgbs eboa jb murvb cg cdsrdeumdý` cg praebedjdcbc `arkbj gsâ`cbr, g`rg jb kgcdb y vbjargs pasdtvas cg _

 

Jgvd`, U. (5852).

Gstbcdstdmb Xbrb Bckd`dstrbmda` T Gma`akdb M/Mc  (9.  (9.b gc.).

LBJJ/XGBU]A@.

XUG@SDMG