Sa MPL e Coe Ffici Ent of Cor Rela Tion: Wrong
Sa MPL e Coe Ffici Ent of Cor Rela Tion: Wrong
Sa MPL e Coe Ffici Ent of Cor Rela Tion: Wrong
WRONG
sa
mpl
e
coe
ffici
ent
of
cor
rela
tion
Has the
same
sign as
the
slope,
i.e.
Is also
called
Peterson
's rr
Can
range
C from
-3.00 up
to 2.00
Can
range
D from
-1.00 up
to 2.00
Question
2
WRONG
n
equ
atio
n is
the
line
wit
h
slo
pe
a
pas
sin
g
thr
oug
h
The
A point (X,
Y)
The
point
(X,Y
X,Y
)
The
point (Y,
X)
The
point
(Y,X
Y,X
)
Question
3
WRONG
the
foll
owi
ng
rela
tion
shi
p
hol
ds
r13.2=2
3.132.
1
A
r13.
2=23.1
32.1
r13.2=1
2.321.
3
r13.
2=12.3
21.3
r13.2=1
3.231.
2
r13.
2=13.2
31.2
D All of the
above
Question
4
WRONG
are
s
find
s
the
bes
t fit
line
that
___
__
the
err
or
bet
we
en
obs
erv
ed
and
esti
mat
ed
poi
nts
on
the
line
A Maximiz
e
Minimize
Approac
hes to
infinity
D Reduces
to zero
Question
5
CORRE
CT
m
is
dra
wn
the
sca
tter
poi
nts
lie
on
a
stra
ight
line
the
n it
indi
cat
e
Perfect
correlati
on
No
B correlati
on
None of
C the
above
D Skewnes
s
Question
6
WRONG
is
no
colli
nea
rity/
Mul
tico
llin
eari
ty,
the
vari
anc
e
infl
atio
n
fact
or
(VI
F)
will
be
Zero
None of
the
above
One
D Two
Question
6
Explanati
on:
VIF=11
R2VIF=
11R2
Question
7
WRONG
ue
of
coe
ffici
ent
of
cor
rela
tion
lies
bet
we
en
A 0 to -1
0 to 1
-1 to 1
D 1 to -10
Question
8
WRONG
X
+
aY
=m
X+
a,Y
is
als
o
kno
wn
as
the
Explanat
A ory
variable
Indepen
dent
variable
Predicte
d
(depend
ent)
variable
D Predictor
variable
Question
9
WRONG
line
is
y
=5
y=5
,
the
n
wh
at
res
ult
will
you
tak
e
out
fro
m
it?
The line
is
parallel
to y-axis
The line
passes
through
(5, 0)
The line
passes
through
origin
The line
is
parallel
to x-axis
Question
9
Explanati
on:
y=ky=k
. for one
value of
y there
are
infinite
values of
x
Question
10
WRONG
=
a
+
x
+
ey
=a
+x
+e,
bot
hx
and
y
vari
abl
es
are
y is fixed
A and x is
random
x is fixed
and y is
random
None of
above
Random
E Fixed
Question
11
WRONG
=2
3.6
5
4.2
XY
=23
.6
54.
2X,
the
n
23.
6 is
the
___
__
whil
e
-54
.2
is
the
___
_ of
the
reg
res
sio
n
line
A Radius,
intercept
Slope,
regressi
B on
coefficie
nt
Intercept
, slope
Slope,
intercept