4, Lesson 18, Unit 8, Grade 7, OpenUp icon
Instructional Activity

Do They Carry More?

Lesson 18. Unit 8. Grade 7 Open Up Resources

Open Up Resources15 min(s)

This Instructional Activity is a part of the Lesson 18, Unit 8, Grade 7. In this activity, students look at different samples from the same population to see that their means are relatively close based on the MADs of the samples. This concept can be reversed to say that if two samples have means that are not very close, then the samples likely came from populations that are quite different. A general rule is given to determine whether two populations are meaningfully different based on the mean and MAD from a sample of each.

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