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Sophia Learning
Sophia: Representing Multiple Data Sets: Lesson 3
In this lesson, students see how they might represent more than one set of data. It is 3 of 7 in the series titled "Representing Multiple Data Sets."
Sophia Learning
Sophia: Z Test for Population Means: Lesson 3
This lesson will explain hypothesis testing when the population standard deviation (sigma) is known. It is 3 of 5 in the series.