This task is about reading information from a stem-and-leaf graph.
The students in Room 2 measured their armspan in centimetres.
Here are their results.
Armspans of students in Room 2
| a) |
How many students are in Room 2? __________
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| b) |
Which of these intervals has the most students in it?
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(A) (B) (C) (D) |
120-129 cm 130-139 cm 140-149 cm 150-159 cm |
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| c) |
The students stood in a line from the smallest armspan to the biggest armspan.
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i)
ii)
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What is the armspan of the person standing 5th in the line? __________ cm
What is the armspan of the person standing in the middle of the line? __________ cm
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