Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Independent Practice  

Find the mean absolute deviation of each set of data. Round to the nearest tenth if necessary. Describe what the mean absolute deviation represents.

  • Question 3 (request help)

    Refer to the table in Exercise 1. The standard deviation of the average speeds of some animals is about 11.3 miles per hour. Describe the data values that are within one standard deviation of the mean.
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  • Question 4 (request help)

    Justify Conclusions The table shows the total points scored in beach volleyball matches.

    a. Find the mean absolute deviation for each set of data. Round to the nearest hundreth. Then write a few sentences comparing their variation.
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  • Question 4 (request help)

    b. The standard deviation of the men's scores is 6.6 points. The standard deviation of the women's scores is 10.3 points. Describe how this information supports your answer to part a.
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