The prices and per capita consumption of four (4) basic food items for the years 2005 and 2011 are displayed in table below:
Table.
|
|
Prices (R / kg)
|
Quantities
|
|
Food Item
|
2005
|
2011
|
2005
|
2011
|
|
A
|
40
|
56
|
99
|
130
|
|
B
|
56
|
73
|
47
|
50
|
|
C
|
87
|
190
|
23
|
44
|
|
D
|
80
|
91
|
20
|
27
|
1.1 W ith 2005 as base year, calculate for the year 2011 the Laspeyres price and quantity indices and interpret your answers
1.2 The following data refer to the number of visitors (in thousands) that visited the uShaka water world in the years 2010-2012.
|
|
I
Jan-Apr
|
II
May-Aug
|
III
Sep-Dec
|
|
2010
|
-
|
86
|
98
|
|
2011
|
84
|
91
|
106
|
|
2012
|
86
|
104
|
139
|
You are required to:
1.2.1 Obtain a 3-term moving average trend.
1.2.2 Find the seasonal variations using the additive model.