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Grades 6, 7 and 8 - Math - Middle School - Data Handling - Quantitative Data
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There are two types of numerical data; countable (discrete) and measurable (continuous).
 

Grades 6, 7 and 8 - Math - Middle School - Data Handling - Quantitative Data
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10 Questions

1. A packet of 50 seeds (to the nearest 10) will contain at least .......
2. The contents of seed packets are recorded to the nearest 10. A pack with 43 seeds is recorded as having .......
3. The frequency recorded in the interval 130 < h ≤ 140 is 5. This means that five children are .......
4. If data can only take certain numerical values it is called discrete. Which of these types of data is discrete?
5. If data can be measured against a scale it is called continuous. Which of these types of data is continuous?
6. The contents of 20 packets of seeds (to the nearest 10) are: 5 x 30, 9 x 40, 5 x 50, 1 x 60. What is the best estimate for the mean (average) contents of these seed packets?
7. The contents of 20 packets of seeds (to the nearest 10) are: 5 x 30, 9 x 40, 5 x 50, 1 x 60. What is the best estimate for the total number of seeds in these packs?
8. Adults responding to a survey are asked to choose their age group from these: 18-25, 25-40, 40-60, over 60. What is wrong with this choice?
9. Which of these intervals would include a height of 130cm?
10. Which of these can be read from a grouped frequency table of children's heights (h cm) recorded in 10cm intervals?