Answer to Question #86893 in Other for nyasha

Question

1.1 What are the advantages of observation and its limitations as a method of collecting
information? (6 marks)

1.2 State TWO (2) advantages of primary data. (2 marks)
1.3 Explain any TWO (2) differences between a bar chart and histogram. (2 marks)
1.4 The capacities (in millions of litres) of each of the four major storage dams that supply
the water requirements of Cape Town are shown in the table 1.1 below;
Storage Dam Capacity (Ml)
Wemmershoek 158 644
Steenbras 95 284
Voelvlei 244 122
Theewatersloof 440 255
Table: 1.1
1.4.1 Construct a pie chart showing the percentage of water supplied by each storage
dam. (5 marks)
1.4.2 What percentage of Cape Town’s water supply is provided by;
PROGRAMME BACHELOR OF COMMERCE IN INFORMATION TECHNOLOGY
MODULE ANALYTICAL TECHNIQUES
TOTAL MARKS 100 MARKS
1.4.2.1 Voelvlei dam? (1 mark)
1.4.2.2 Wemmershoek and Steenbras dams together? (2 marks)
1.5 Define the term ‘trend’ as used in Time Series Analysis and Forecasting.

Answer 1

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