Q.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 .......
  • bar chart
  • line graph
  • pictogram
  • pie chart
Q.2
One ☎ represents 20 'phone lines. The pictogram shows 4 symbols for the Ayford call centre. How many lines are there at Ayford?
  • 4
  • 20
  • 40
  • 80
Q.3
The Beeston centre has 70 'phone lines. How many symbols are needed to represent Beeston?
  • 31⁄2
  • 7
  • 71⁄2
  • 10
Q.4
The midnight temperatures, in °C, are recorded daily for a week. Which diagram is best for displaying this data?
  • Bar chart
  • Line graph
  • Pictogram
  • Pie chart
Q.5
Temperature is measured on the vertical axis. What goes on the horizontal axis?
  • Week
  • Month
  • Day
  • Year
Q.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?
  • 3°
  • 4°
  • 5°
  • 6°
Q.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 .......
  • 10
  • 20
  • 50
  • 100
Q.8
Tina sends T texts. Which of these describes the category 'more than 20 but no more than 40 characters'?
  • 20 ≤ T ≤ 40
  • 20 < T < 40
  • 20 < T ≤ 40
  • 20 ≤ T < 40
Q.9
On the vertical axis of the bar chart, 1 cm represents 5 texts. Tina sent 25 texts of 20 < T ≤How high is the bar for this category?
  • 2 cm
  • 4 cm
  • 5 cm
  • 10 cm
Q.10
Joining up the mid points of all the bars forms a frequency .......
  • graph
  • polygon
  • chart
  • table
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