(a) The table below shows the average wages in Kwachas per week of a group of industrial workers during the year 1989-1996. The consumer price Index for the years with 1989 as base are shown below. Year Average wage of workers (K) Consumer Price Index 1989 1990 1991 1992 1993 1994 1995 1996 119 133 144 157 175 184 189 194 100 107.6 106.6 107.6 116.2 118.9 119.8 120.2 i. Determine the real wages of workers during the year 1989-1996 as compared with their wages in 1989. ii. Determine the purchasing power of a Kwacha for the year 1996 as compared to the year 1989. What is the significance of this result?
(a)
The table below shows the average wages in Kwachas per week of a group of industrial workers during the year 1989-1996. The consumer price Index for the years with 1989 as base are shown below.
Year Average wage of workers (K) Consumer Price Index 1989 1990 1991 1992 1993 1994 1995 1996 119 133 144 157 175 184 189 194 100 107.6 106.6 107.6 116.2 118.9 119.8 120.2
i. Determine the real wages of workers during the year 1989-1996 as compared with
their wages in 1989.
ii.
Determine the purchasing power of a Kwacha for the year 1996 as compared to
the year 1989. What is the significance of this result?
(b)
For the following data, verify that the 5 year weighted moving average with weights 1, 2,
2, 2, 1 respectively is equivalent to 4 year centred moving average:
Year 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
Sales (K) 5 3 7 6 4 8 9 10 8 9 9
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