The table below shows the quantity of yams in kilogram produced by four yam producing states in country X between 2003 and 2006. state 2003 2004 2005 2006 A...
Question 1 Report
The table below shows the quantity of yams in kilogram produced by four yam producing states in country X between 2003 and 2006.
| state | 2003 | 2004 | 2005 | 2006 |
| A | 200,000 | 300,000 | 400,000 | 500,000 |
| B | 400,000 | 400,000 | 500,000 | 600,000 |
| C | 500,000 | 600,000 | 700,000 | 700,000 |
| D | 600,000 | 500,000 | 400,000 | 300,000 |
(a) Draw a comparative I group bar graph to represent the statistics.
(b) State two advantages of using comparative I group bar graphs in showing statistics.
(c) Name one other method that can be used in showing the statistics.
Answer Details
(a) Comparative (group) bar graph
Use the vertical scale: 1 major division = 100,000 kg. The bars for each state are grouped together, with the key showing the years.
Title: Quantity of Yams Produced by States A, B, C and D, 2003–2006.
Horizontal axis: States.
Vertical axis: Quantity of yams produced (kg).
(b) Advantages of comparative bar graphs
- They make comparison of quantities for different items or years easy.
- They give a vivid and clear impression of the quantities involved.
(c) One other method is a divided bar graph, also called a composite bar graph.
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