Back to Statistics and Probability — Problem 3 · Task Set 29

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Grade 7·14 problems·~22 min·Common Core Math - Grade 7·domain·7-sp

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Concepts

Two dot plots show test scores for Class A and Class B. Class A
has scores ranging from 70 to 90, and Class B has scores ranging
from 75 to 95. Which statement about the distributions is most
accurate?

The distributions do not overlap at all because the ranges are different.

The ranges overlap from 75 to 90, so scores in that interval are
possible in both classes, but whether the distributions overlap
depends on where the data clusters.

The distributions overlap only if their means are equal.

Class B's distribution is higher, so there is no overlap.