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Pap
er 1
Fou
nd
atio
n t
ier
mar
k sc
hem
e
Que
stio
nnu
mbe
rA
nsw
er
Add
ition
al g
uida
nce
Mar
k
1(a)
B1 M
aths
(1)
1(b)
M1
1
0 –
4 or
3×2
A1
6
(2
)
1(c)
B1
4
+ 1
0 +
2 +
6 [=
22]
or 8
ב2’
or ‘
11’×
2 B
1
22
> 20
so y
es, M
illy
has s
pent
a to
tal o
f mor
e th
an 2
0 ho
urs s
tudy
ing.
B1
for c
alcu
latin
g st
atis
tic
B1
for c
oncl
usio
n in
con
text
bas
ed o
n co
rrec
t sta
tistic
al re
ason
ing
(2)
2(a)
B1 0
11 2
B1
for ×
indi
cate
d be
twee
n 0
and
½
(but
clo
ser t
o ½
). (1
)
2(b)
B1 0
11 2
B1
for ×
indi
cate
d at
0
(1)
2(c)
B1 0
11 2
B1
for ×
indi
cate
d be
twee
n ½
and
1
(but
clo
ser t
o 1)
. (1
)
×
×
×
29Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Statistics – Sample Assessment Materials Issue 2 – December 2017 © Pearson Education Limited 2017
Que
stio
nnu
mbe
rA
nsw
er
Add
ition
al g
uida
nce
Mar
k
3(a)
B1B
1
Num
ber
of ti
mes
T
ally
Fr
eque
ncy
1 ||||
|||| ||
|| 14
2 ||||
|| 7
3 ||||
4
4 |||
3
5 ||
2
1st B
1 an
y on
e ro
w o
r one
col
umn
corr
ect
2nd B
1 al
l cor
rect
(2)
3(b)
B1f
t
1 (1
)
3(c)
M1
‘1
4’ +
‘7’ +
‘4’
A1f
t
25
M1
for t
he a
dditi
on o
f cor
rect
3
num
bers
from
thei
r tal
ly c
hart
A1
ft th
eir t
ally
cha
rt
(2)
3(d)
B1
e.
g. b
ar c
hart
B1
for a
ny su
itabl
e di
agra
m, e
.g.
pie
char
t, ba
r lin
e ch
art
(1)
30 Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Statistics – Sample Assessment Materials Issue 2 – December 2017 © Pearson Education Limited 2017
Que
stio
nnu
mbe
rA
nsw
er
Add
ition
al g
uida
nce
Mar
k
4(a)
B1
e
.g. S
ome
empl
oyee
s may
not
wis
h to
giv
e th
eir s
alar
y (c
onfid
entia
l/per
sona
l).
(1)
4(b)
B1
A
ll of
the
empl
oyee
s at t
he c
ompa
ny.
(1
)
4(c)
(i)
4(c)
(ii)
B1
e.
g. p
rimar
y da
ta is
dat
a yo
u co
llect
you
rsel
f.B
1
e.g.
seco
ndar
y da
ta is
dat
a co
llect
ed b
y so
meo
ne e
lse.
B1
e.
g. k
now
n re
liabi
lity,
no
seco
ndar
y da
ta a
vaila
ble
(2)
(1)
4(d)
B1
Adv
anta
ge:
e.
g. C
onve
nien
t
e.g.
Equ
al n
umbe
r of m
ales
and
fem
ales
repr
esen
ted
B1
Dis
adva
ntag
e:
e.
g. N
ot re
pres
enta
tive
e.
g. B
iase
d
e.g.
Em
ploy
ees c
omin
g ea
rly m
ay h
ave
sim
ilar p
ay
1st B
1 an
y on
e co
rrec
t adv
anta
ge
2nd B
1 an
y on
e co
rrec
t dis
adva
ntag
e
(2)
31Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Statistics – Sample Assessment Materials Issue 2 – December 2017 © Pearson Education Limited 2017
Que
stio
nnu
mbe
rA
nsw
er
Add
ition
al g
uida
nce
Mar
k
5(a)
B1
41oe
For p
roba
bilit
y an
swer
s acc
ept
equi
vale
nt fr
actio
ns, d
ecim
als o
r pe
rcen
tage
s
(1)
5(b)
M1
6041
A1
1
5
(2)
5(c)
M1
4529
9
o
r'
457 '1
A1
4538oe
For p
roba
bilit
y an
swer
s acc
ept
equi
vale
nt fr
actio
ns, d
ecim
als o
r pe
rcen
tage
s
(2)
5(d)
B2
e.g
. ‘re
liabl
e si
nce
the
conc
lusi
on is
bas
ed o
n a
larg
e nu
mbe
r of s
pins
’ or
e.g
. 3 is
scor
ed m
any
mor
e tim
es th
an 1
or 2
B
2 fo
r ‘re
liabl
e’ w
ith su
ppor
ting
reas
on b
ased
on
colle
cted
dat
a
OR
B1
relia
ble
with
inco
mpl
ete
reas
onin
g
(2)
32 Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Statistics – Sample Assessment Materials Issue 2 – December 2017 © Pearson Education Limited 2017
Que
stio
nnu
mbe
rA
nsw
er
Add
ition
al g
uida
nce
Mar
k
6(a)
B2
for m
edia
n A
ND
a c
orre
ct re
ason
, e.g
.
refe
renc
e to
the
extre
me
valu
e in
the
fem
ale
cat w
eigh
ts
re
fere
nce
to th
e m
edia
n no
t bei
ng a
ffec
ted
by e
xtre
me
valu
es
OR
if B
2 no
t ear
ned.
.. B
1 fo
r an
inco
mpl
ete
answ
er
e.g.
med
ian
with
an
atte
mpt
at a
reas
on,
OR
cor
rect
reas
on w
ithou
t a c
oncl
usio
n
OR
if B
1 no
t ear
ned.
.. SC
B1
for m
ean
AN
D u
ses a
ll of
the
data
B2
for a
com
plet
e an
swer
ass
essi
ng th
e ap
prop
riate
ness
of t
he c
hoic
e of
ave
rage
.
OR
if B
2 no
t ear
ned.
.. B
1 fo
r an
inco
mpl
ete
answ
er a
sses
sing
th
e ap
prop
riate
ness
of t
he c
hoic
e of
av
erag
e.
(2)
6(b)
B2
Not
suita
ble
as th
e da
ta is
not
biv
aria
te/in
rela
ted
pairs
oe
OR
if B
2 no
t ear
ned.
.. B
1 N
ot su
itabl
e, w
ith a
ttem
pt a
t a re
ason
B2
for a
com
plet
e an
swer
ass
essi
ng th
e ap
prop
riate
ness
of t
he c
hoic
e of
dia
gram
OR
if B
2 no
t ear
ned.
.. B
1 fo
r an
inco
mpl
ete
answ
er a
sses
sing
th
e ap
prop
riate
ness
of t
he c
hoic
e of
di
agra
m
(2)
33Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Statistics – Sample Assessment Materials Issue 2 – December 2017 © Pearson Education Limited 2017
Que
stio
nnu
mbe
rA
nsw
er
Add
ition
al g
uida
nce
Mar
k
7(a)
B1
B
ar h
eigh
ts o
f 9 a
nd 7
dra
wn
for a
ctio
nB
1
Cor
rect
shad
ing
(2)
7(b)
B1
D
ram
a an
d Th
rille
r (1
)
7(c)
B1
4
1 (1
)
7(d)
B1B
1 A
ny tw
o fr
om:
M
ore
dram
a fil
ms i
n 20
14
M
ore
com
edy
film
s in
2014
Sam
e nu
mbe
r of d
ocum
enta
ry fi
lms i
n bo
th y
ears
Few
er th
rille
r film
s in
2014
Few
er a
ctio
n fil
ms i
n 20
14
M
ore
tota
l film
s in
2014
B1
for e
ach
stat
istic
al c
oncl
usio
n.
Allo
w e
quiv
alen
t con
vers
e st
atem
ents
.
(2)
7(e)
B1
for e
.g. ‘
Ther
e ar
e on
ly tw
o ye
ars w
orth
of d
ata’
/‘A ti
me
serie
s gra
ph is
bet
ter
for d
ata
over
a lo
nger
per
iod
of ti
me’
. B
1 fo
r app
ropr
iate
reas
on w
hy a
tim
e se
ries g
raph
wou
ld n
ot b
e su
itabl
e fo
r thi
s dat
a.
(1)
8(a)
B1
D
iese
l (1
)
8(b)
B1
P
etro
l (1
)
8(c)
B1
N
atur
al g
as is
talle
st b
ar o
n ba
r cha
rt an
d la
rges
t sec
tor o
n pi
e ch
art.
(1)
8(d)
B1
T
he d
iagr
ams c
anno
t be
used
to su
ppor
t the
stat
emen
t. B
1
The
pie
cha
rt sh
ows p
ropo
rtion
s (no
t am
ount
s) o
e (2
)
34 Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Statistics – Sample Assessment Materials Issue 2 – December 2017 © Pearson Education Limited 2017
Que
stio
n nu
mbe
rA
nsw
er
Add
ition
al G
uida
nce
Mar
k
9B
1 B
1 B
1 B
1 fo
r eac
h of
four
asp
ects
from
:
U
nder
stan
ding
e.g
. Que
stio
ns/re
spon
ses c
an b
e ex
plai
ned
in a
n in
terv
iew
or
may
not
be
unde
rsto
od in
a q
uest
ionn
aire
C
ando
ur e
.g. E
mpl
oyee
may
be
less
ope
n/ho
nest
in a
n in
terv
iew
or
ques
tionn
aire
can
be
done
with
out p
ress
ure
R
esou
rces
e.g
. Int
ervi
ewin
g ca
n be
tim
e co
nsum
ing/
expe
nsiv
e or
qu
estio
nnai
re c
an b
e do
ne b
y al
l at t
he sa
me
time
(or i
n th
eir o
wn
time,
or
mor
e ch
eapl
y)
In
clus
ivity
e.g
. int
ervi
ews m
ore
likel
y to
incl
ude
all e
mpl
oyee
s or
ques
tionn
aire
s mig
ht n
ot b
e re
turn
ed o
r dire
ctor
s’ v
iew
s are
not
incl
uded
by
inte
rvie
w
In
terv
iew
er b
ias e
.g. P
ossi
ble
bias
from
dire
ctor
(in
inte
rvie
w)/
no
inte
rvie
wer
bia
s with
que
stio
nnai
re
B1
for e
ach
corr
ect c
omm
ent a
sses
sing
th
e ap
prop
riate
ness
of t
he d
ata
colle
ctio
n m
etho
ds.
(4)
35Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Statistics – Sample Assessment Materials Issue 2 – December 2017 © Pearson Education Limited 2017
Que
stio
nnu
mbe
rA
nsw
er
Add
ition
al g
uida
nce
Mar
k
10M
1A1A
1 fo
r cal
cula
tion
of ra
nge
or IQ
R O
R fo
r a p
air o
f bo
x pl
ots d
raw
n
Ran
geM
1 74
– 4
0 o
r 70
– 4
3
A1
34
A
1 2
7
OR
IQ
RM
1 65
– 5
3 o
r 6
3 –
53
A1
12
A
1 10
M1
for a
cal
cula
tion
of ra
nge
or IQ
R O
R fo
r a p
air o
f box
pl
ots d
raw
n A
1 fo
r one
cor
rect
val
ue O
R fo
r one
cor
rect
box
plo
t A
1 fo
r sec
ond
corr
ect v
alue
to a
llow
a c
ompa
rison
to b
e m
ade
OR
for s
econ
d co
rrec
t box
plo
t (sa
me
scal
e) to
allo
w
com
paris
ons t
o be
mad
e
(5)
B1
for e
.g. T
he ra
nge/
IQR
for F
renc
h pr
esid
ents
is g
reat
er
than
the
rang
e/IQ
R fo
r UK
prim
e m
inis
ters
oe
B1
for a
cor
rect
com
paris
on o
f ran
ges o
r IQ
Rs
B1
for e
.g. T
he a
ges o
f Fre
nch
pres
iden
ts a
re m
ore
varie
d th
an th
e ag
es o
f UK
prim
e m
inis
ters
B
1 fo
r a c
orre
ct c
onte
xtua
l int
erpr
etat
ion
of c
ompa
rison
of
spre
ad
36 Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Statistics – Sample Assessment Materials Issue 2 – December 2017 © Pearson Education Limited 2017
Que
stio
nnu
mbe
rA
nsw
er
Add
ition
al g
uida
nce
Mar
k
11(a
) B
1B1
for t
wo
corr
ect r
easo
ns
e.
g. d
ata
give
n in
diff
eren
t for
mat
s
e.g.
rem
ove
extra
neou
s sym
bols
e.g.
rem
ove
anom
alie
s/ou
tlier
s
e.g.
dat
a gi
ven
in w
rong
ord
er
B1
for e
ach
corr
ect r
easo
n fo
r the
ne
ed to
cle
an d
ata
on th
e da
taba
se
prio
r to
proc
essi
ng it
(2)
11(b
) B
1B1
for t
wo
corr
ect a
spec
ts
e.
g. la
rge
sam
ple
size
incr
ease
s rel
iabi
lity
e.
g. is
sues
due
to h
ow th
e da
ta c
olle
ctio
n is
car
ried
out m
ay d
ecre
ase
relia
bilit
y (r
ecor
ded
by st
uden
ts a
nd n
ot b
y K
erry
/stu
dent
s may
type
in
info
rmat
ion
wro
ng)
e.
g. fo
r an
exam
ple
of fa
ctor
s tha
t mig
ht n
ot b
e co
nsis
tent
in th
e da
ta
colle
ctio
n w
hich
may
dec
reas
e re
liabi
lity
(last
mes
sage
mig
ht n
ot re
pres
ent a
ll te
xt m
essa
ges s
ent)
e.
g. n
on-r
espo
nse
decr
ease
s rel
iabi
lity
B1
for e
ach
corr
ect c
ompa
rison
as
sess
ing
the
relia
bilit
y of
the
conc
lusi
ons d
raw
n
(2)
37Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Statistics – Sample Assessment Materials Issue 2 – December 2017 © Pearson Education Limited 2017
Que
stio
nnu
mbe
rA
nsw
er
Add
ition
al g
uida
nce
Mar
k
12(a
)B
1 3
bed
room
s has
the
high
est f
requ
ency
(for
any
indi
vidu
al n
umbe
r of
bedr
oom
s)
Allo
w e
quiv
alen
t sta
tistic
al re
ason
ing
base
d on
the
tabl
e in
dica
ting
why
3 is
the
mod
e.
(1)
12(b
)M
160
1200
140
o.
e.
A1A
1 B
edro
oms
1 2
3 4
5+
Hou
ses i
n sa
mpl
e 7
15
21
12
5
Acc
ept a
cor
rect
equ
ival
ent c
alcu
latio
n sh
own
for a
ny o
ne c
lass
M
1 im
plie
d by
one
cor
rect
ans
wer
OR
an
indi
catio
n th
ey n
eed
1 in
20
1st A
1 fo
r any
one
val
ue c
orre
ct
2nd A
1 fo
r all
corr
ect
(3)
12(c
)B
1 U
se a
sam
plin
g fr
ame
for e
ach
stra
ta
B1
Sele
ct h
ouse
s ran
dom
ly o
r gen
erat
e ra
ndom
num
bers
B1
For a
n as
pect
of d
etai
l
Each
cat
egor
y/st
rata
to b
e co
nsid
ered
se
para
tely
Sam
ples
hav
e to
be
rand
om
e.g.
How
the
rand
om n
umbe
rs a
re
obta
ined
and
use
d
(3)
38 Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Statistics – Sample Assessment Materials Issue 2 – December 2017 © Pearson Education Limited 2017
Que
stio
nnu
mbe
rA
nsw
er
Add
ition
al g
uida
nce
Mar
k
13(a
)(i)
M1
180
304
A1
= 2
4 A
ccep
t any
equ
ival
ent c
alcu
latio
n (2
)
13(b
)B
1 e.
g. ‘u
se th
e m
ean
of th
e sa
mpl
e of
an
estim
ate’
’ B
1 fo
r a c
orre
ct e
xpla
natio
n sh
owin
g un
ders
tand
ing
that
the
mea
n of
the
sam
ple
repr
esen
ts th
e m
ean
of th
e po
pula
tion
(1)
14M
1A1A
1 fo
r app
ropr
iate
cal
cula
tions
to c
ompa
re 1
996
with
200
6 or
19
96 w
ith 2
016
e.g.
C
ompa
ring
inde
x nu
mbe
rs
M
1 10
02023
o
r10
02054
A1
115
A
1 2
70
OR
C
ompa
ring
pri
ces
M1
100
129
20
or
100
172
20
A
1 2
5.8
A1
34.
4
M1
for a
cal
cula
tion
that
cou
ld b
e us
ed to
co
mpa
re 1
996
with
200
6 or
201
6 A
1 fo
r one
cor
rect
val
ue
A1
for s
econ
d co
rrec
t val
ue th
at a
llow
s a
com
paris
on to
be
mad
e
(5)
B1
for e
.g. f
rom
199
6 to
200
6 th
e ch
ange
/incr
ease
in p
rice
was
less
th
an th
e R
PI
B1
for a
cor
rect
con
text
ual s
tate
men
t for
200
6 or
201
6 B
1 fo
r e.g
. fro
m 1
996
to 2
016
the
chan
ge/in
crea
se in
pric
e w
as h
ighe
r th
an th
e R
PI
B1
for a
cor
rect
con
text
ual s
tate
men
t for
200
6 an
d 20
16
39Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Statistics – Sample Assessment Materials Issue 2 – December 2017 © Pearson Education Limited 2017
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Centre Number Candidate Number
Write your name hereSurname Other names
Total Marks
Paper Reference
S54192A©2018 Pearson Education Ltd.
1/1/1/*S54192A0124*
StatisticsPaper 2
Foundation Tier
1ST0/2FYou must have: Ruler graduated in centimetres and millimetres, protractor, pen, HB pencil, eraser, scientific calculator.
Instructions
• Use black ink or ball-point pen.• Fill in the boxes at the top of this page with your name, centre number and candidate number.• Answer all questions.• Answer the questions in the spaces provided
– there may be more space than you need.• Scientific calculators may be used. • You must show all your working out with your answer clearly identified at
the end of your solution.
Information
• The total mark for this paper is 80.• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
• Read each question carefully before you start to answer it.• Try to answer every question.• Check your answers if you have time at the end.
Pearson EdexcelLevel 1/Level 2 GCSE (9 - 1)
Sample assessment material for first teaching September 2017
Time: 1 hour 30 minutes
Turn over
40 Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Statistics – Sample Assessment Materials Issue 2 – December 2017 © Pearson Education Limited 2017
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