Estadistica 3

 

FYPG@HYPHIG HLNF_FLIHGC

Githvh`g` 9

@hstrhouihùl

Zrfsfltg Dfsshig Zgecg _e`râkufz Prudhcce

H@4 :::66?7=9

Zrekrgbg @f Zshiecekâg ’ Yçog`es

0 Yfbfstrf

?:7=

 

GIPH^H@G@ 9 @HYP_HOVIHELFY @F Z_EOGOHCH@G@ FL KFEKFO_G 7. @f giufr`e giufr`e iel fc tuterhgc tuterhgc quf flieltrgrgs flieltrgrgs fl cg sfbglg sfbglg 9 `hstrhou `hstrhouihelfs ihelfs `f  preogohch`g` fl kfekforg. Igciucgr cg bf`hg, cg vgrhglzg, cg `fsvhgihùl fstçl`gr y rfprfsfltgihùl `fc mhstekrgbg fl cgs shkuhfltfs preogohch`g`fs.  x h

7 ? 9 0 6 >

Z(x) :.? :.7 :.9 :.7 :.79 :.7;

 

 x h

: 7

Z(x) :.:>?6 :.?6

? 9 0

: :..9 ?; 66 :.:>?6

 

?. Vt Vthc hchz hzgg cg nùrbuc nùrbucgg pg pgrg rg igciuc igciucgr gr fc vgcer vgcer `f T y rf rfpr prfs fsflt fltgg cg preogo preogohc hch` h`g` g` fl cg igbpglg `f Kguss. G. Fc pfse lfte `f 6: oecsgs `f `ftfrkfltf `ftfrkfltf puf`f ielsh`frg ielsh`frgrsf rsf iebe vgrhgocf vgrhgocf gcfgterhg gcfgterhg lerbgc. Yh fc pfse prebf`he `f ulg oecsg `f `ftfrkfltf fs 7::: krgbes y cg `fsvhgihùl fstçl`gr `f ?: krgbes.  

Igciucgr cg preogohch`g` `f quf gc fcfkhr ulg oecsg `f `ftfrkfltf pfsf bfles `f 7:?6 krgbes. _/ cg preogohch`g` fs `f :,=800

Vl `ftfrbhlg`e thpe `f ogtfrâg pgrg gutebùvhcfs thflf ulg vh`g ôthc gprexhbg`gbfltf lerbgc iel bf`hg `f ?,> g÷es y ulg vgrhglzg `f :,7>. @f cg pre`uiihùl `f ul `âg sf fchkf ulg ogtfrâg gc gzgr. Igciucgr cg preogohch`g` `f quf `urf4  

Bçs `f 0 g÷es Bfles `f 9 g÷es

 

@ftfrbhlf fc vgcer `f T4 G. Z (T < -?)

O. Z (T < 9)

I. Z (T ≠ :,;?) :,;?)