some areas of error that we could have experienced that would have affected our data were…
DESCRIPTION
Our project is about the make, model, and style of cars in the Central Bucks parking lot and the parking lots of Regal 22 and the Montgomery Mall. We are also going to be looking at the makes of the cars, specifically if it is an import or an American made car . - PowerPoint PPT PresentationTRANSCRIPT
Our project is about the make, model, and style of cars in the Central Bucks parking lot and the parking lots of Regal 22 and the Montgomery Mall. We are also going to be looking at the makes of the cars, specifically if it is an import or an American made car.
-One of us will go to each parking lot and we will record every 3rd car. We will be writing down the make, model, and the style of each of those cars. Make being the car manufacturer, model being the actual car name, and style being if it is a SUV, truck, sedan, van, or coupe.
We will have a 1-sample Z-test for the makes of the cars. We will be looking to see if there are more imports (cars not made in the us) in the parking lots than Domestic cars. We will be making a 95% confidence interval with this. We will also be doing a chi squared test of the styles of the cars. We expect all the 5 styles to be the same. Our last test is a 2-sample Z-test comparing amount of SUVs in the CB South parking lots of the Regal 22 and the Montgomery Mall. We will also be making a 95% confidence interval with this.
Once we have gathered all of our data we will put it into a number of charts. From there we will break the charts down into different manufacturers, model and style. Each one of our charts will be separated into which parking lot the sample came from.
Some areas of error that we could have experienced that would have affected our data were…•Car meets going on •Time of day•Weather•Type of place surveying
•1769-the first self propelled car was built
•1801-first steam powered cars in Britain to transport passengers
•1858-first coal gas engine. Completed a 50 mile road trip
•1865-the first speed restrictions introduced in UK, 2 mph in towns
•1876-first successful and reliable four stroke engine
•1886-first vehicles driven using internal combustion engines developed
•1894-Grand Prix racing begins
•1896-first road traffic death in London
•1903-Ford motor company established, manufactured a model T in 93 minutes, 15 million manufactured
•1997-car manufacturers go green. Toyota builds first hybrid for public
36
93240325626635740
1500200 sx
a4a6
accordall road
aloraaltima
avalancheavalonbeetleblazer
bonevillecabrio
camarocamry
cavaliercelica
cherokeecivic
cobaltconcorde
coopercorolla
crvdakota
ecoelantraescape
expeditionf150
firebirdfocus
forresterfreestyle
frontierg6
grand amgrand caravan
grand cherokeegrand prix
h2highlander
ionis 300
jettalancerlegacyliberty
magnummalibumatrix
maximamdx
ml320monte carlo
muranomustang
neonoff roadoutbackpassat
pathfinderpilot
preludeprius
probeprotege
ram 1500rangerrav 4
rsxrx8s40s60s80
sablesanta fesebringsentrasequia
silveradosonata
sorentosportage
srsstratus
suburbantacomataurus
tctl
town & countrytsx
venzavue
wranglerxterra
yaris
4 8
12
36
9 32 4 03 2 56 2 66 3 57 4 0
1 5 0 02 0 0 s x
a 4a 6
a c c o r da ll r o a d
a lo r aa lt im a
a v a la n c h ea v a lo nb e e t leb la z e r
b o n e v illec a b r io
c a m a r oc a m r y
c a v a lie rc e lic a
c h e r o k e ec iv ic
c o b a ltc o n c o r d e
c o o p e rc o r o lla
c r vd a k o ta
e c oe la n tr ae s c a p e
e x p e d it io nf1 5 0
f ir e b ir dfo c u s
fo r r e s te rf r e e s ty le
fr o n t ie rg 6
g r a n d a mg r a n d c a r a v a n
g r a n d c h e r o k e eg r a n d p r ix
h 2h ig h la n d e r
io nis 3 0 0
je t tala n c e rle g a c ylib e r ty
m a g n u mm a lib um a tr ix
m a x im am d x
m l3 2 0m o n te c a r lo
m u r a n om u s ta n g
n e o no ff r o a do u tb a c kp a s s a t
p a th f in d e rp ilo t
p r e lu d ep r iu s
p r o b ep r o te g e
r a m 1 5 0 0r a n g e rr a v 4
r s xr x 8s 4 0s 6 0s 8 0
s a b les a n ta fes e b r in gs e n tr as e q u ia
s ilv e r a d os o n a ta
s o r e n tos p o r ta g e
s r ss tr a tu s
s u b u r b a nta c o m ata u r u s
tct l
to w n & c o u n tr yts x
v e n z av u e
w r a n g le rx te r r ay a r is
School
Bar C
hart
3 6 93 240
325
626
635
740
1500
200
sx a4 a6ac
cord
all r
oad
alor
aal
tima
aval
anch
eav
alon
beet
lebl
azer
bone
ville
cabr
ioca
mar
oca
mry
cava
lier
celic
ach
erok
eeci
vic
coba
ltco
ncor
deco
oper
coro
llacr
vda
kota
eco
elan
traes
cape
expe
ditio
nf1
50fir
ebird
focu
sfo
rres
ter
frees
tyle
front
ier
g6gr
and
amgr
and
cara
van
gran
d ch
erok
eegr
and
prix
h2hi
ghla
nder
ion
is 3
00je
ttala
ncer
lega
cylib
erty
mag
num
mal
ibu
mat
rixm
axim
am
dxm
l320
mon
te c
arlo
mur
ano
mus
tang
neon
off r
oad
outb
ack
pass
atpa
thfin
der
pilo
tpr
elud
epr
ius
prob
epr
oteg
era
m 1
500
rang
erra
v 4
rsx
rx8
s40
s60
s80
sabl
esa
nta
fese
brin
gse
ntra
sequ
iasi
lver
ado
sona
taso
rent
osp
orta
gesr
sst
ratu
ssu
burb
anta
com
ata
urus tc tl
tow
n &
coun
tryts
xve
nza
vue
wra
ngle
rxt
erra
yaris
CB South Parking Lot
Style
40% 80%
coup
e
seda
n
suv
truck
van
School Ribbon Chart
5
10
15
20
25
30
35
acur
aau
dibm
wca
dilla
cch
evy
chry
sler
dodg
efo
rdho
nda
hum
mer
hyun
dai
infin
itije
ep kia
lexu
sm
azda
mer
cede
sm
ercu
rym
ini
mits
ubis
hini
ssan
olds
mob
ilepo
ntia
csa
absa
turn
scio
nsu
baru
toyo
tavo
lksw
agon
volv
o
Make count
School Bar Chart
1 2 3 4 5 6
3 2 55 2 55 3 56 5 0
4 r u n n e ra 3a 4
a c c o r dc a m r y
c e n tu r yc iv ic
c o b a ltc o r o lla
c r vc u b e
c u t la s s c ie r ae c h o
e s c a p eg 6
g r a n d a mg r a n d c a r a v a n
g r a n d c h e r o k e eg x s
im p a laim p r e z a
is 2 5 0je t ta
m 3 5 xm a lib u
m a r in e rm l 3 5 0
m o u n ta in e e rm o u n ta in e r r
o d y s s e yp a c if ic a
p a s a tp ilo t
r a v 4r d xr ior s x
r x 3 5 0s 4 0s x 4
ta u r u st l
to u r in gt r a v e r s e
t r o o p e rv e n tu r e
v u e
Movie
sB
ar C
hart
325525535650
4 runnera3a4
accordc amry
centuryc iv ic
cobaltcorolla
c rvcube
cutlass c ieraecho
es capeg6
grand amgrand caravan
grand cherokeegxs
impalaimpreza
is 250jetta
m35 xmalibu
marinerml 350
mountaineermountainerr
odyss eypac ifica
pasatpilot
rav4rdxriorsx
rx 350s40sx4
taurustl
touringtraverse
trooperventure
vue
Regal 22
Style_2
40% 80%coupe sedan suv van
Movies Ribbon Chart
4 8 12 16
acuraaudibmwbuick
cadillacchevy
chryslerdodge
fordhondainfinitiizuzujeepkia
lexusmercedes
mercurynissan
oldsmobilepontiacsaturn
subarusuzukitoyota
volkswagonvolvo
Make
count
Movies
Bar Chart
2
4
6
8
10
12
232
533
553
04r
unne
rAc
adia
acce
ntAc
cord
Altim
aAS
300
aspe
nas
traAv
alon
beet
leBl
azer
bron
coc2
80ca
liber
cam
ryca
rava
nca
valie
rci
vic
coba
ltco
oper
coro
llacr
oss
coun
tryC
RV
dura
ngo
elem
ent
envo
yeq
uino
xes
cape
esco
rtex
plor
erex
pres
sex
tera
F150 fit
focu
sfo
rres
ter
frees
tar
front
ier
fusi
on g6gr
and
amgr
and
cara
van
gran
d ch
erok
eeG
rand
Mar
quis
gran
d pr
ixgr
anda
mgt
Hig
hlan
der
impr
eza
Ion
lare
dole
gacy
lesa
bre
lum
ina
mal
ibu
mar
ano
mat
rixm
axim
am
dxm
ilan
mpv
Mus
tang
neon
odys
sey
optim
aou
tbac
kou
tlook
paci
fica
pass
atpa
thfin
der
pilo
tpr
ius
prot
ege
rang
erR
AV4
rx33
0R
X350
s60
sant
a fe
sedo
naSe
ntra
sequ
oia
sien
nasi
lver
ado
spec
traS
porta
geta
urus
tribu
tetu
cson
Vers
aVU
Ew
inds
tar
wra
ngle
rx
type
xc70
xter
rayu
kon
Mall Bar Chart
232
533
553
04r
unne
rAc
adia
acce
ntAc
cord
Altim
aAS
300
aspe
nas
traAv
alon
beet
leBl
azer
bron
coc2
80ca
liber
cam
ryca
rava
nca
valie
rci
vic
coba
ltco
oper
coro
llacr
oss
coun
try CR
Vdu
rang
oel
emen
ten
voy
equi
nox
esca
pees
cort
expl
orer
expr
ess
exte
raF1
50 fitfo
cus
forr
este
rfre
esta
rfro
ntie
rfu
sion g6
gran
d am
gran
d ca
rava
ngr
and
cher
okee
Gra
nd M
arqu
isgr
and
prix
gran
dam gt
Hig
hlan
der
impr
eza Ion
lare
dole
gacy
lesa
bre
lum
ina
mal
ibu
mar
ano
mat
rixm
axim
am
dxm
ilan
mpv
Mus
tang
neon
odys
sey
optim
aou
tbac
kou
tlook
paci
fica
pass
atpa
thfin
der
pilo
tpr
ius
prot
ege
rang
erR
AV4
rx33
0R
X350 s6
0sa
nta
fese
dona
Sent
rase
quoi
asi
enna
silv
erad
osp
ectra
Spor
tage
taur
ustri
bute
tucs
onVe
rsa
VUE
win
dsta
rw
rang
ler
x ty
pexc
70xt
erra
yuko
n
Model
Montgomery Mall
Style
20% 40% 60% 80% 100%
coup
e
seda
n
suv
truc
kva
n
Mall Ribbon Chart
510
15
20
25
30
35
40
a c u r aB M WB u ic k
C h e v yc h r y s le r
D o d g efo r d
G M CH o n d a
h y u n d a ija g u a rJ e e p
K IAL e x u s
m a z d am e r c e d e s
M e r c u r ym in i
N is s a np ly m o u th
p o n t ia cS a tu r nS u b a r uT o y o ta
v o lk s w a g o nv o lv o
Mak
e
2 Proportion z-test on Number of SUV’s in Central Bucks South Parking Lot compared to the
parking lots of the Montgomery Mall and the regal 22
Check State•2 independent SRS’s 1. 2 Systematic Random
Samples(independent)•n1 p̂1 ≥ 10 2. (43)(.339)= 14.577n 1(1-p̂2) ≥ 10 (43)(.661) = 28.423n2 p̂2 ≥ 10 (84)(.661)= 55.524n2(1- p̂2) ≥ 10 (84)(.339) = 28.476•Population1≥ 10(n1) 3. Population1 =430Population2 ≥ 10(n2) Population2 = 840
Ho: Pcbs= Pother
Ha: Pcbs < Pother
Z= = -5.145
P(z < -5.145) = 1.339x10 -7
We reject Ho because p-value is < .05.We have sufficient evidence that the number of SUV’s in the Central Bucks South Parking lot is less than the Montgomery Mall and the Regal 22.
Confidence Interval
(p̂1- p̂2) ± z* = (-.432, -.2064)
We are 95% confident that the differencebetween proportions of CB South and the
other parking lots is between -.4392 and -.2064.
Chi2 Goodness of fit test on the style of carsState CheckSRS
1. Systematic random SampleAll counts (expected) ≥ 5 2. 92.8 ≥ 5
Ho: The observed frequency distribution of styles of cars fits the expected frequency distribution.Ha: The observed frequency distribution of styles of cars does not fit the expected frequency distribution.
Trucks Sedans SUV’s Vans Coupes
92.8 92.8 92.8 92.8 92.8
Trucks Sedans SUV’s Vans Coupes
17 234 127 19 65
Expected
X2 = ∑ = + +…= 356.379
P=(x2 > 356.379|df=4) = 7.35x10-76
We reject Ho because p-value is < .05.We have sufficient evidence that the observed frequency distribution of styles of cars does not fit the expected frequency distribution
Observed
Our Thoughts
We thought that there would be more imports than domestic cars
We also thought that there would not be an equal amount of all different styles of cars
We lastly thought that there would be more SUVs outside of the CB South parking lot
THE MOST POPULARCAR IN
AMERICA IS…
THE MOST POPULARCAR IN
AMERICA Really IS…
WHATS THAT CAR?
EASY
NAME THE MANUFACTURE
R
HARD
Name the manufacturer who makes this model
car
545i
A6
Highlander
Civic
Mustang
Town and Country
350 Z
Camaro