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Video Links

Video 1: Central Limit Theorem

Description: This 9:49 video from Khan Academy presents a careful discussion of the Central Limit Theorem that may be useful in helping students understand a sometimes tricky concept.

Video 2: The Difference Between Z- and t-statistics

Description: This 6:39 video from Khan Academy discusses the difference between z-testing and t-testing. This can help students solidify the difference between the two types of testing discussed in Chapter 7.