Math Practice 101
Homework Explained - Math Practice 101

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Grade 6 McGraw Hill Glencoe - Answer Keys
Chapter 11:Statistical Measures;Lesson 4:Mean Absolute Deviation


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Be Precise For Exercises 8 and 9, look up the word deviate in a dictionary or online.

  • Question 8 (request help)

    What does the word deviate mean? How can it help you remember what the mean absolute deviation refers to?
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  • Question 9 (request help)

    How does the word absolute help you to remember how to calculate the mean absolute deviation?
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H.O.T. Problems Higher Order Thinking

  • Question 10 (request help)

    Reason Abstractly Create two sets of data, each with five values, that satisfy the following conditions.

    The mean absolute deviation of Set A is less than the mean absolute deviation of Set B.

    The mean of Set A is greater than the mean of Set B.

Persevere with Problems For Exercises 11 and 12, refer to the table that shows the recorded speeds of several cars on a busy street.

Recorded Speeds (mph)
35     38     41     35     36     55
  • Question 11 (request help)

    Calculate the mean absolute deviation both with and without the data value of 55. Round to the nearest hundredth if necessary.
  • Question 12 (request help)

    Explain how including the value of 55 affects the mean absolute deviation.
  • Question 13 (request help)

    Construct an Argument Explain why the mean absolute deviation is calculated using absolute value.
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  • Question 14 (request help)

    Persevere with Problems The table shows the high temperatures for 6 days. If the high temperature for day 7 is 61°F, how does the mean absolute deviation change?

    High Temperature (°F)
    75      58      72      68      69      66

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