Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  H.O.T. Problems Higher Order Thinking  

  • Question 5 (request help)

    Find the Error Brian is describing the data values that are within one standard deviation of the mean of a set of data. Find his mistake and correct it.
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  • Question 6 (request help)

    Identify Structure Create a list of data with at least five numbers that has a range of 40. Describe the mean absolute deviation.
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  • Question 7 (request help)

    Persevere with Problems The standard deviation of ribbon lengths is about 7.2 inches. Describe the lengths that are within two standard deviations of the mean. Explain your reasoning.
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  • Question 8 (request help)

    Justify Conclusions Determine whether the following statement is always, sometimes, or never true. Justify your response.

    A data set with a mean absolute deviation of 9 is more spread out than a data set with a mean absolute deviation of 3.
  •     true
  • Question 9 (request help)

    Reason Inductively Compare and contrast standard deviation and mean absolute deviation.
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