Use Z tests for the mean in statistics Length 9:33
Curated 5/23/08
Hosted by youtube.com
Creator's Site www.saddleback.edu/faculty/Lperez...

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this introduction to statistics lesson on using the Z tests for the mean. If you don't know about statistics, well, I don't know what to say.

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