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| 1 | |
As a math project, Rawinder collected data on the genres of music favoured by his classmates. He wanted to see if there was a difference between the choices made by girls as opposed to boys. A good way of displaying this data is |
| | A) | a comparative bar graph |
| | B) | a circle graph |
| | C) | a histogram |
| | D) | a line graph |
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| 2 | |
Which of these is least suitable for displaying numeric data? |
| | A) | Fathom™ |
| | B) | The Geometer's Sketchpad® |
| | C) | a spreadsheet |
| | D) | a graphing calculator |
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| 3 | |
The middle value of a set of data is known as the |
| | A) | mean |
| | B) | mode |
| | C) | median |
| | D) | sample |
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| 4 | |
Some grade 8 students were asked to select a cold drink for the class picnic. The results are shown. How many students were in the sample?
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| | A) | 15 |
| | B) | 20 |
| | C) | 25 |
| | D) | 30 |
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| 5 | |
A total of 120 students are expected to attend the class picnic. According to the sample in question 4, how many cartons of milk should be provided? |
| | A) | 24 |
| | B) | 18 |
| | C) | 12 |
| | D) | 6 |
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| 6 | |
A comparative bar graph for sales of trucks and SUVs at Midtown Motors for five months is shown. Based on the graph, what advice would you give the manager?
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| | A) | Order more SUVs than trucks in June. |
| | B) | Order more trucks than SUVs in June. |
| | C) | Order the same number of each in June. |
| | D) | Reduce orders of both in June. |
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| 7 | |
From the graph in question 6, which month showed the biggest gap between sales of trucks and SUVs? |
| | A) | Jan |
| | B) | Feb |
| | C) | Apr |
| | D) | May |
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| 8 | |
Students were asked how many hours they spent each week on math homework. The results are shown in a histogram. Which interval contained the greatest number of students?
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| | A) | 2.5 h - 3.0 h |
| | B) | 3.0 h - 3.5 h |
| | C) | 3.5 h - 4.0 h |
| | D) | 4.0 h - 4.5 h |
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| 9 | |
From the graph in question 8, what is a reasonable estimate for the maximum amount of time a student spends per week on math homework? |
| | A) | 5.0 h |
| | B) | 4.0 h |
| | C) | 3.5 h |
| | D) | 3.0 h |
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| 10 | |
From the graph in question 8, how many students were interviewed? |
| | A) | 18 |
| | B) | 17 |
| | C) | 16 |
| | D) | 15 |
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