This task is about recording data on a stem-and-leaf graph.
The Year 8 students at Kaimoana School sat a maths test. The teachers wanted to compare the test scores for two classes on a back-to-back stem-and-leaf graph.
a) |
Your teacher will read out the scores. You are to display this data as you hear it onto the back-to-back stem-and-leaf graph below. The stem of the graph has been done for you.
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b) |
Now complete the back-to-back stem-and-leaf graph below by ordering the numbers in each of the 'leaves' from part a). Make your graph as neat as possible.
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Use your graph to answer the following questions.
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c) |
i) What is the median score for Room 5? __________
ii) What is the range for Room 5? __________
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d) |
i) What is the median for Room 7? __________
ii) What is the range for Room 7? __________
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