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Statistical Techniques: Correlation & Regression Notes

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PAGE No.:
Statistital chnigjues
DATE:
Kegnessinn
Kanl
Peah,
Rean son's
Co - efficient
SPeanaan's
Raok
Kanl
Co- efficient.
fecason's
Conhelation
of
LRI
Conneotgn ( J
be
let
data
CO- efficent
then
Set
Connelot an
2i-xsyi-q
12
Meanty
Kanl
feansan
GE No.
AFE:
Note
holays
valu.
0to
between
ies
1
then
then
to 0
3
then
isbest
-03
then
fon
the
626h
125
CO nnelaton
between
Followàng
data
126
125
65
139
69145
165
152
72
)80
298
3964
4096
13 6)5
h22535921.
Gas1 2162.5
4900
490029225
5041 2.3104
SI84 32h00
5474 53264
Set
6569
139
J65 152 130 20
,2
62
the
onineonmodel
9>0:3 h<-0 3
best
model
Lineon
Co- effceart
Xy
helot'on 5
812
&000
1D285
x=y
a-29
-
-3
lo005
JI550
10792
1539 2
y-ly-g)
20
-16
-10
2
5
53
2412h0
,ssh6
=68 345
=155
(155)
3752t-
l6335)2
8
125
& 75
J5640
202 o3|
9224o-&(Ks
ADE No
hATE:
M-2
62
126
-29
-30
-4
65
139
-3
36
|6
256
69
58
100
(65
2.
71
I52
310
72
18D
208
20
25
6
53
55
NS2
5640
625
36209
318
PAGE No:
DATE:
find
The
CO-efficientof
Connelot on
the foluing
betwedn
ta
650
Sx 125, Sy- 1 0 0 =
n=25
=2x
2y'
5
n
calculate
folauin4
the
co efficient
Cosnelat oo
Fhom the
coto
2Ly- 15)=915
zL-la)Cy-/s] =60
=10,
y 2 y =15
O3050
a-SL
deviot on
of L
deiatin
efoibuing dota 6f
fhocn hefollbuing
calcalote
theco- eíficiert.
Ait hmatic
mean.
Connelotibn btye
2-234
Standond
deviator
2fnbduction
theln
the
deviotions.
nespec tive
s(x-7) y-g) 26
Z=6825
4685
2oh 87
Co-NOmi once
1Cov by)
Vy2:236
i526
PAGE No.
DATE:
Fod
a m e follosing
Ch-effic&int
of
65
666
dato
X
68
65
66
68
65
63
68
68
12
64
69
6h
13
72
6940
ENo
ATE
Co9helation(R)
Spean mans Rank
hepeate d then
f X2Y as
61helart'bn coofhcient
qiven
6X '
alue
If
Speanman.
by
R=
hepeoted
ylue of
any
12
12
3
Co-cfficient
folaig
the
J2
data
15
22
18
21
22
20
24q
S
3
18
22
2
4
8
2
21
22
19
25
10
50
5
3
36
60
then
PAGE No
DATE:
R=00475
End
co eFficieot
Speonman
falguag
the
dota
-(Rr-ky
55
12
5
22
85
fb5
h2:25
12
30:25
3
5.5
J8
Ô2
12:25
095
12
13
20
29
12
(2
18
2
20
55
18
2
2
22
22
5
8'5
21
21
fon
63
AGE No:
3ATE
W3 +2:5
2
3
MG
2
12
f93
720
Do035
PAGE No
DATE:
-tho
follauing
cohnelotion
Co-efficiert fhon
fhon the
65
139
70
data
62
64
126
125
125
2
145
62
65
69
134
+0
L65
6
152
5
+2
45
130
208
09523
165
|52
10
208
(handay le c2-3
ATE
Ry
65
22
66
.62
2
35
2:25
f25
6 5
025
3-5
3-5
2
70
5
6
5
69
73
2-25
66 6 69 68 69
2
3
5
43
6
35
64
6
2
68 6
3
4
69 8 t0
S
6
42
3:5
2
y2
Ma2 2
12
-15
R=
0313L
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