Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 HMH Go Math - Answer Keys


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  Guided Practice  

The tables show the numbers of miles run by the students in two classes. Use the tables in 1–2.

  • Question 1 (request help)

    For each class, what is the mean? What is the mean absolute deviation?
  • Class 1 mean :    
    Class 2 mean :    
    Class 1 MAD :    
    Class 2 MAD :    
  • Question 2 (request help)

    The difference of the means is about _____ times the mean absolute deviations.
  •    
  • Question 3 (request help)

    Mark took 10 random samples of 10 students from two schools. He asked how many minutes they spend per day going to and from school. The tables show the medians and the means of the samples. Compare the travel times using distributions of the medians and means.
  • Type below:

  Essential Question Check-In  

  • Question 4 (request help)

    Why is it a good idea to use multiple random samples when making comparative inferences about two populations?
  • Type below:

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