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| 1 | |
Which of the following is considered to be primary data? |
| | A) | Sol interviews customers at a mall concerning which stores they visited. |
| | B) | Maria looks up average weights of different animals in an encyclopedia. |
| | C) | Sally downloads a table of median incomes in various cities across Canada, from E-STAT. |
| | D) | All of these |
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| 2 | |
This stem-and-leaf plot shows prices, in cents per litre, of regular gasoline at several service stations. What is the difference between the highest and the lowest prices?
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| | A) | 3¢ |
| | B) | 6¢ |
| | C) | 12¢ |
| | D) | 16¢ |
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| 3 | |
In question 2, what percent of stations charged 90¢ or more per litre of gasoline? |
| | A) | 15% |
| | B) | 25% |
| | C) | 33% |
| | D) | 50% |
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| 4 | |
Forty-eight students went on a class trip. When they stopped for lunch, Dino wrote down all of the orders for sandwiches. He took his list out of his pocket and found that his pen had leaked and obscured one cell. How many of the students wanted a vegetarian sub?
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| | A) | 5 |
| | B) | 11 |
| | C) | 12 |
| | D) | 15 |
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| 5 | |
The pictograph shows the number of lengths swam by each of three people practicing for a swimming meet. How many lengths has the leading swimmer swum?
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| | A) | 3.5 |
| | B) | 20 |
| | C) | 70 |
| | D) | 80 |
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| 6 | |
What is the difference in lengths between the lead and the trailing swimmer in question 4? |
| | A) | 20 |
| | B) | 10 |
| | C) | 5 |
| | D) | 1 |
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| 7 | |
Martha, Enrico, and Heinrich sell real estate. When their sales are shown on a circle graph, Martha's sector spans 130°, and Enrico's sector spans 140°. What percent of the sales did Heinrich make? |
| | A) | 90% |
| | B) | 50% |
| | C) | 25% |
| | D) | 10% |
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| 8 | |
In question 8, the total real estate sales for 2004 are $7.2 million. How much did Martha sell? |
| | A) | $2.4 million |
| | B) | $2.6 million |
| | C) | $2.8 million |
| | D) | $3.6 million |
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| 9 | |
The real estate company from question 6 merged with another company which had sales of $3.2 million. A new circle graph was drawn for the combined sales. What is the measure of Martha's sector for the new combined graph? |
| | A) | 130° |
| | B) | 120° |
| | C) | 100° |
| | D) | 90° |
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| 10 | |
Julian wants to computerize his pop can collection. Some attributes of the collection are brand name, size of can, colour, and date of filling. What software would be best for him to use? |
| | A) | The Geometer's Sketchpad® |
| | B) | a database |
| | C) | a spreadsheet |
| | D) | a word processor |
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