Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Test Practice  

  • Question 13 (request help)

    The table shows the lengths of four different boards. The standard deviation of the lengths is about 2.9 feet. Determine which statements are true. Select all that apply.
    • The mean absolute deviation is less than the standard deviation.
    • The range is greater than the mean absolute deviation.
    • The standard deviation is greater than the range.
  • Question 14 (request help)

    The numbers of cans donated by five students during a canned food drive are shown in the table.

    What is the mean absolute deviation of the data?
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  Spiral Review  

  • Question 15 (request help)

    The table shows lengths of rivers in two continents.

    a. Which continent has a greater range of length of rivers?
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  • Question 15 (request help)

    b. Find the measures of center for each continent.
  • Type below:
  • Question 15 (request help)

    c. Select the appropriate measure of center or range to describe the lengths of rivers for each continent. Justify your response.
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  • Question 15 (request help)

    d. Find the measures of variation for each continent.
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  • Question 16 (request help)

    Find the measures of center for the set of data. Round to the nearest tenth if necessary.
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