Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 10: Statistics; Lesson 3: Misleading Graphs and Statistics


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Extra Practice

  • Question 10 (request help)

    To determine how often his students are tardy, Mr. Kessler considered the attendance record for his first period class. Why is this graph misleading?

    There are not equal intervals on the horizontal axis. So, the height of the bars is not representative of the sample.
  • Question 11 (request help)

    The graph shows the height of a plant after 9 weeks of growth. Why is the graph misleading?
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  • Question 12 (request help)

    Justify Conclusions Each of the graphs below show the distance Romerio travels on his bike. Romerio wants to impress his friends with the distance he travels. Which graph should he show his friends? Explain.
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  • Question 13 (request help)

    The scores Emily received on her math tests were 80, 90, 85, 100, 100, and 84. Why might it be misleading for Emily to say that most of the time she receives a score of 100?
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