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High School: 9th and 10th Grade
Math
Data Handling - Frequency Diagrams
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Q.1
A frequency diagram shows the telephone lines in a number of call centers. ☎ represents a fixed number of lines. This sort of diagram is called a .......
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bar chart
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line graph
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pictogram
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pie chart
Q.2
One ☎ represents 20 'phone lines. The pictogram shows 4 symbols for the Ayford call center. How many lines are there at Ayford?
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4
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20
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40
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80
Q.3
The Beeston center has 70 'phone lines. How many symbols are needed to represent Beeston?
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31⁄2
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7
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71⁄2
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10
Q.4
The midnight temperatures, in °C, are recorded daily for a week. Which diagram is best for displaying this data?
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Bar chart
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Line graph
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Pictogram
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Pie chart
Q.5
Temperature is measured on the vertical axis. What goes on the horizontal axis?
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Week
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Month
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Day
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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?
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3°
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4°
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5°
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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 .......
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10
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20
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50
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100
Q.8
Tina sends T texts. Which of these describes the category 'more than 20 but no more than 40 characters'?
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20 ≤ T ≤ 40
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20 < T < 40
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20 < T ≤ 40
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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?
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2 cm
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4 cm
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5 cm
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10 cm
Q.10
Joining up the mid points of all the bars forms a frequency .......
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graph
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polygon
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chart
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table
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