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Back to Tutor Intake Assessment: Informally assess the degree of visual overlap of two numerical data distributions

7.SP.B.3 Tutor Intake -- Comparing Two Data Distributions

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Grade 7·8 problems·~12 min·Common Core Math - Grade 7·standard·7-sp-b-3
Work through problems with immediate feedback
A

Concepts

1

Team A's dot plot and Team B's dot plot are drawn on the same
number line. A few values from Team A and a few from Team B land
on the exact same point on the line. What can you correctly
conclude?

2

Which statement correctly distinguishes the Mean Absolute
Deviation (MAD) from the range of a data set?

B

Procedures

1

A data set has mean 10. One value in the set is 14. What is the
absolute deviation of that value from the mean?

2

Find the Mean Absolute Deviation (MAD) of this data set:
4, 6, 6, 8, 11. (Mean = 7.)

3

Group A has mean 50 and Group B has mean 42. The average MAD of
the two groups is 4. Which value is the correct MAD-multiple
(difference in means divided by MAD)?

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