Line Graphs
Line Graphs
TGM Original Questions
Four candidates, A, B, C and D are running for the President of the university’s student union. The votes that each candidate gets are given below:
| A | B | D | A | B | C | A | C |
|---|---|---|---|---|---|---|---|
| A | C | B | C | A | D | B | A |
| B | C | B | D | C | C | D | C |
| A | B | D | C | C | B | B | D |
| B | C | B | C | C | A | D | B |
- Using the data from the table, complete the frequency table below.
| Candidate | Tally | Number of votes (\(f\)) |
|---|---|---|
| A | ||
| B | ||
| C | ||
| D |
- Construct a bar graph using the grids below to illustrate the data.
- State which candidate wins the election. Hence express the number of the winning candidate’s votes as a percentage of the total number of votes.
- Explain with clear reasons why a line graph is not as suitable as a bar graph to illustrate the data in this question.
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Answer:(i) \(A=8\), \(B=12\), \(C=13\), \(D=7\) (ii) Bar heights: \(8,12,13,7\) (iii) Candidate C, \(32.5\%\) (iv) A bar graph is suitable because the candidates are discrete categories
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