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Grades 6, 7 and 8 - Math - Middle School - Data Handling - Frequency Diagrams
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Pie and bar charts are two examples of 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.
 

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

1. Temperature is measured on the vertical axis. What goes on the horizontal axis?
2. Joining up the mid points of all the bars forms a frequency .......
3. 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?
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. 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 .......
7. One ☎ represents 20 'phone lines. The pictogram shows 4 symbols for the Ayford call center. How many lines are there at Ayford?
8. 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?
9. Tina sends T texts. Which of these describes the category 'more than 20 but no more than 40 characters'?
10. The midnight temperatures, in °C, are recorded daily for a week. Which diagram is best for displaying this data?