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Download full textBump, Wren M. – 1991
The normal curve has long been important in statistics. Most interval variables yield normal or quasi-normal distributions when data are collected from large samples, and the normal "Z" distribution is also used as a test statistic (e.g., to test differences between two means when sample size is large, since "t" approaches…
Descriptors: Data Collection, Equations (Mathematics), Functions (Mathematics), Graphs
