Instructions: When describing a graph, always refer to specific values. For “compare” questions, mention both data sets. Use words like “increases”, “decreases” or “remains constant” when describing trends.
Section A: Double Bar Graph (6 marks)
A double bar graph shows the number of boys and girls who passed Grade 11 at School A from 2021 to 2024:
| Year | Boys passed | Girls passed |
|---|---|---|
| 2021 | 45 | 52 |
| 2022 | 48 | 55 |
| 2023 | 51 | 49 |
| 2024 | 60 | 63 |
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In which year did boys outperform girls? (1)
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Calculate the total number of learners who passed in 2024. (1)
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Describe the trend for boys from 2021 to 2024. (2)
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Calculate the percentage increase in girls passing from 2021 to 2024. (2)
Section B: Line Graph - Temperature (6 marks)
Average monthly temperatures (°C) for Cape Town: Jan 26, Feb 26, Mar 24, Apr 20, May 17, Jun 14, Jul 13, Aug 14, Sep 16, Oct 18, Nov 21, Dec 24.
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What is the temperature range for the year? (2)
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In which months is the temperature below 16°C? (1)
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Describe the temperature trend from January to July. (2)
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Between which two consecutive months is the biggest drop in temperature? (1)
Section C: Pie Chart (4 marks)
A household spends its monthly income as follows: Housing 35%, Food 28%, Transport 12%, Education 10%, Entertainment 8%, Savings 7%.
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If the monthly income is R 18 500, calculate the amount spent on food. (2)
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Calculate the combined percentage spent on Housing and Transport. (1)
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Calculate the angle for the Savings sector in a pie chart. (1)
Section D: Misleading Graphs (4 marks)
A bar graph shows sales for two months. The y-axis starts at R 450 000 instead of R 0. Month A: R 460 000, Month B: R 480 000.
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By how much does Month B exceed Month A? (1)
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On the misleading graph, Month B appears to be double Month A. Explain why this is misleading. (2)
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What should the graph creator have done differently? (1)
Total: 20 marks