Business Statistics

150 Business Statistics

Solution Table 4.16 exhibits the computation part for Example 4.15.

tabLe 4.16

Calculation of mean deviation for Example 4.15

Year Sales (in million rupees)

(x

i

–

x

)

|(x

i

–

x

)|

Mar 1990 2167.2 –3494.09 3494.09

Mar 1991 2273 –3388.29 3388.29

Mar 1993 2120.3 –3540.99 3540.99

Mar 1994 2615.9 –3045.39 3045.39

Mar 1995 3490.6 –2170.69 2170.69

Mar 1996 5173.3 –487.99 487.99

Mar 1997 6246.2 584.91 584.91

Mar 1998 7502.1 1840.81 1840.81

Mar 1999 12,503.6 6842.31 6842.31

Mar 2000 7328.2 1666.91 1666.91

Mar 2001 6337.5 676.21 676.21

Mar 2002 5428.7 –232.59 232.59

Mar 2004 11,116.3 5455.01 5455.01

Mar 2005 6962.7 1301.41 1301.41

Mar 2007 3653.8 ...