
Chapter 4
170
Standard deviation
=
5
Mean absolute deviation or
3
Quartile deviation, that is,
SD MAD=
5
or
3
QD
Range = 6 Standard deviation = 6s
Pearsonian coef cient of skewness is given as
Sk
p
O
Mean Mode
Standard deviation
–
or
Sk
xM
p
d
=
=
3
3
Mean Median
Standard deviation
σ
Karl Pearson’s coef cient of correlation
r
nxyxy
nx xn
=
−
()()
()()()
22
CASE STUDY
Case 4: Hero Honda Motors Ltd.: Aiming to Capture the
Growing Market in India
Introduction
Hero Honda Motors Ltd. came into existence on 19
January 1984 as a result of a joint venture between India’s
Hero Group and Japan’s Honda Motor Company. During
the 1980s, Hero Honda ...