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Level 3-4 Data Handling - Frequency Diagrams

A pie chart is just one type of frequency diagram. This one is being used to educate the populace on the way the US budget is divided. (Picture courtesy of moyix at Flickr)

Level 3-4 Data Handling - Frequency Diagrams

Collected data is of no use unless it can tell us something about the situation surveyed. To see patterns or connections in information we can display it in a variety of ways. This Maths quiz deals with diagrams used to illustrate frequency data.

Which of these options do you prefer?

  1. A frequency diagram shows the telephone lines in a number of call centres. ☎ represents a fixed number of lines. This sort of diagram is called a .......

  2. One ☎ represents 20 'phone lines. The pictogram shows 4 symbols for the Ayford call centre. How many lines are there at Ayford?

  3. The Beeston centre has 70 'phone lines. How many symbols are needed to represent Beeston?

  4. The midnight temperatures, in °C, are recorded daily for a week. Which diagram is best for displaying this data?

  5. Temperature is measured on the vertical axis. What goes on the horizontal axis?

  6. The recorded temperatures were: Mon 3°, Tue 2°, Wed 0°, Thu 1°, Fri 1°, Sat -1°, Sun -2°. What was the range of temperatures for the week?

  7. A bar chart records the frequency and length of Tina's text messages (max length = 160 characters). The width of each bar, in characters, should be .......

  8. Tina sends T texts. Which of these describes the category 'more than 20 but no more than 40 characters'?

  9. On the vertical axis of the bar chart, 1 cm represents 5 texts. Tina sent 25 texts of 20 < T ≤ 40. How high is the bar for this category?

  10. Joining up the mid points of all the bars forms a frequency .......

Quiz written by Hilary Wilson

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