Weit - M
--2
Nomual disribuheu
A a wduua distri btiau 4 o e tewsco
nder 35 ud &1do ne udoe 63 Dete.
etOuuwo
e meau uc Vtaudeoe ditribute
Sol
Covmesodiug to tLe aea Ou3 /rot
the duale i5
1o e amea opO unde
X35
he CwwNe e ovdiuale r o
e uslual disiri butiou table
11
-89
46he anea O31 tuuden
ne ivar Cunve te ovdinate
oil be r23
kaX35 tohe X -63
X-
6363-
Z1= 35
23 6 8 *
- O
Solviug O aud e
33
l0 ,
50
dugratehe e Lo &co wde ude ae
-dstributed ota Anu - to
Mmally pcumds
saudhd deiah am to poduds, nd He
M u n l o e e r Studenb Lohere LOeigks ae
138 aud H&
()betoeeu
puds
Moe
S uds
IHO IC
1 3 8138-o 148-uO
P1358xeIH)
P (-o2 zso 2)
6283
óBGIH0 2088
The Loigts q lco hdes
16 es (Boo)
S24uo
P(Z2) b3849
7?# O-SI(oo) 9
O-|USI(Soo)
Areo S 0 38
Variale
neual
i a
Anaa A
e
d
-o8 z IS3
Cespevkug to
3)
und to ho
k) 4o he lelt of 2- -d5A
.2
841 he wares q o eets ane woluually disribuled
Loit meau 68 Ka3 aud Cuudand d e i a i u
hoo wau &udents havee
Hheu 42 g
1 greder
&)heas tan equal to 6hkg
eeho@ 6S oud induive
1 68 33
ohen 12
12- 8
3
0 S- 0 o32
O 0168
Pvololalty o-o168)3
Prebleu
waR
osaiued t&tatesHCS i6
a cextai
Te
to be Metuuay diestri butd
eKoi ua tia fend
d the s t e e 7to waRs k o o 230 MoRa, tud
4
mea Ond D
ohen X 6o
6o-M
t4 6o -
Louen x 30
(2300-) -bo -A
-
O 26 =Bo-A 3 t24
O26
1HO
Sk 1 ) =
lo
-4S8
66
1 5 894
30
6 31L/
Jetriioy
Sixe loo s Jaken rou tuiuile
NovdOu Sauple
haNuAg e meau 16 aud asuiaute
probobiuty hat
i6 the
Lohat
I Saud 48?.
betu
Z-
n&mal
Sampig
P76 78]
Z 75-
P -625 ze267 16
= l26
O2324+O 34uy
62 5
a as*
0-625
Apepulatieun Cowaibt Ave etinrs A,3,6, 8,u .Csce
alpotsile Sople ef SiKe a tat Can be drauou i t a
apot@uCc O e popuatiou
tind L Hhe mea othe Populatics
Staudard deriatie q t e Populatieu
he wam d e Soupug disibuiou o
weawS
Staudesd deviaho o he sapiuq
deibutien w@oms
1 Hea Ake pepulatiou
3+68+U= 6
5
S D populatia
2
E (i -)
-6T(36)+6-6) 18-6) +Qu61
5 N = 5 = 26 Sanples
N humbers ( 5)
S ze-(2)
2S
3,2) Ca,3)6) (28) EI)
2
S
(3 .(3,9 (3 3A
,3 64 6(6
SS
(B3 36( (8
S
&t2S 4 4s t6 S
t2-St3t4S*3Sttt4s t
++8 S ts ts t+8 t9 S t S E t &s +St
h a Cous ists
AFpulatia tve wwkers ,36,3,
all poide Aaupe bizea tet Cau be
ouoe
oithouut
keplateued ron io populatiou
e wa t h e ppulatieu
ind
Havcerd
d evictia of He
pepulatien
EDThe wea ofhe boupuug distribuHe, d!
weoNs
e audd deviotias o Hhe Souplu
dietribuhou t meas
Saunple STe =2
24 3t6t 5
S
3
)38)
) 6,) N
iheud nepoceueut 329
Meo
6 6
Meon
)
329 2 04
to he
nduua pulartion 16 q a
Manu Codai
Slaudatd ener
othe
ueou
of etHe &aues6
Saules ?
Aud He prcknbility
ud HLe prekobilty H
tat distribuhie uo
fou 66 oU
ioiu b
bee negaAe
Size
Size
Hhe Sauple
weau e
P-o5s7
Ree e take a eAe Value to
get a -ve alue
O O-6+8F 0
S-
(area o
fromM
to 0 . 7 s )
. 5 00.23
) O 0 . 2 2 6 6
0 75 O
notunal eDletic has mea o: and D et21
h e pm
Tnd
p l e S i x e 10os tol e2 ate
- 1
Z+1u3
To ge a
wegatie Nalue
fsu i oe take a lesse Value fdL
PSz-3
-I43 -3
ladz
S - o u236
9)HadHe lue tiuiHe
Oud N oo
Cemecien Hactot N-
N-
lbo-to
ol
w h a t ts the eHet o sdauderd xud, fa Soole s
+ake treu au ifuile populae et 80le ize ts
iuCNeabed ro Heoto teo
SD e populatia
S-D endu3-D unple
Saple SiRe
Heo
C T
