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Maths Quiz - Level 5-6 Data Handling - Quantitative Data (Questions)

Learn about quantitative data in KS3 Maths. Understand how numbers and measurements are collected, recorded, and compared using precision and accuracy.

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(quiz starts below)

Fascinating Fact:

Measurement precision sets the resolution. A scale that reads to 0.1 kg is more precise than one that reads to 1 kg.

In KS3 Maths, pupils learn about quantitative data, which involves numbers that can be measured or counted. Precision and accuracy are important when collecting data, especially in experiments and surveys.

  • Quantitative Data: Data that can be expressed as numbers, such as height, time, or temperature.
  • Precision: The level of detail in a measurement, depending on how finely it is recorded.
  • Accuracy: How close a measurement is to the true or actual value.
What is quantitative data in KS3 Maths?

Quantitative data is numerical information that can be measured or counted, such as distances, times, or weights. It is often shown in graphs or tables.

What is the difference between accuracy and precision?

Accuracy shows how close a measurement is to the real value, while precision shows how detailed or exact the measurement is.

Why is precision important when collecting data?

Precision is important because it affects how reliable your results are. More precise instruments give more consistent and useful data.

1. If data can only take certain numerical values it is called discrete. Which of these types of data is discrete?
[ ] The colour of an apple
[ ] The number of pips in an apple
[ ] The volume (in cm3) of an apple
[ ] The weight (in g) of an apple
2. If data can be measured against a scale it is called continuous. Which of these types of data is continuous?
[ ] The beds in wards of a town's hospital
[ ] The heights of buildings in a town
[ ] The names of roads in a town
[ ] The number of pupils in a town's schools
3. 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?
[ ] No ages below 18
[ ] Age group intervals are all different
[ ] Intervals overlap
[ ] 'Over 60' is too vague
4. Which of these can be read from a grouped frequency table of children's heights (h cm) recorded in 10cm intervals?
[ ] Heights of individual children
[ ] The height range
[ ] The median height
[ ] The modal height interval
5. The frequency recorded in the interval 130 < h ≤ 140 is 5. This means that five children are .......
[ ] at least 130cm tall
[ ] less than 140cm tall
[ ] 135cm tall
[ ] over 130cm and up to 140cm tall
6. Which of these intervals would include a height of 130cm?
[ ] 125 ≤ h &LT; 130
[ ] 130 &LT; h ≤ 140
[ ] 120 &LT; h ≤ 130
[ ] h >130
7. The contents of seed packets are recorded to the nearest 10. A pack with 43 seeds is recorded as having .......
[ ] 30 seeds
[ ] 35 seeds
[ ] 40 seeds
[ ] 45 seeds
8. A packet of 50 seeds (to the nearest 10) will contain at least .......
[ ] 44 seeds
[ ] 45 seeds
[ ] 54 seeds
[ ] 55 seeds
9. 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?
[ ] 630
[ ] 750
[ ] 820
[ ] 940
10. 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?
[ ] 41
[ ] 42
[ ] 43
[ ] 44

You can find more about this topic by visiting BBC Bitesize - Collecting and recording data

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Maths Quiz - Level 5-6 Data Handling - Quantitative Data (Answers)
1. If data can only take certain numerical values it is called discrete. Which of these types of data is discrete?
[ ] The colour of an apple
[x] The number of pips in an apple
[ ] The volume (in cm3) of an apple
[ ] The weight (in g) of an apple
An apple only has half a pip if it's been cut in half
2. If data can be measured against a scale it is called continuous. Which of these types of data is continuous?
[ ] The beds in wards of a town's hospital
[x] The heights of buildings in a town
[ ] The names of roads in a town
[ ] The number of pupils in a town's schools
Height can be measured against a continuous scale
3. 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?
[ ] No ages below 18
[ ] Age group intervals are all different
[x] Intervals overlap
[ ] 'Over 60' is too vague
Adults are 18 or over. Someone aged 25 or 40 wouldn't know which box to tick
4. Which of these can be read from a grouped frequency table of children's heights (h cm) recorded in 10cm intervals?
[ ] Heights of individual children
[ ] The height range
[ ] The median height
[x] The modal height interval
As the heights are grouped into 10cm intervals we do not know any of the heights exactly and therefore can't find out the range, median or any individual hights
5. The frequency recorded in the interval 130 < h ≤ 140 is 5. This means that five children are .......
[ ] at least 130cm tall
[ ] less than 140cm tall
[ ] 135cm tall
[x] over 130cm and up to 140cm tall
< means that they are more than 130cm tall and ? means they are less than or equal to 140cm tall
6. Which of these intervals would include a height of 130cm?
[ ] 125 ≤ h &LT; 130
[ ] 130 &LT; h ≤ 140
[x] 120 &LT; h ≤ 130
[ ] h >130
The sign ? means 'less than or equal to'
7. The contents of seed packets are recorded to the nearest 10. A pack with 43 seeds is recorded as having .......
[ ] 30 seeds
[ ] 35 seeds
[x] 40 seeds
[ ] 45 seeds
This is simple rounding down
8. A packet of 50 seeds (to the nearest 10) will contain at least .......
[ ] 44 seeds
[x] 45 seeds
[ ] 54 seeds
[ ] 55 seeds
45 is the lowest number that can be rounded up to 50
9. 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?
[ ] 630
[ ] 750
[x] 820
[ ] 940
(5 x 30) + (9 x 40) + (5 x 50) + (1 x 60)
10. 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?
[x] 41
[ ] 42
[ ] 43
[ ] 44
820 / 20 = 41