
Chapter 16
PB
Time Series and Index Numbers
679
FIGURE 16.56
Minitab autoregression
output (with one
predictor included
in the model) for
Example 16.8
16C1. Hindustan Copper Ltd. was incorporated in 1967
to take over the plants and mines at Rajasthan and
Jharkhand from National Development Corpora-
tion Limited. Subsequently, it merged with Copper
Corporation Limited. The company is engaged
in activities ranging from mining, bene cation,
smelting, re ning and production of cathodes, wire
bars, andcontinuous cast rods.
5
The following table
provides the income of Hindustan Copper Ltd. in
different quarters from 2002–2006. Use Minitab
to deseasonalize ...