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What is the "rule of 2" for an approximation of a 5% level of statiscial significance when performing t-test?

2007-01-09 16:52:54 · 2 answers · asked by Vincent K 2 in Science & Mathematics ➔ Mathematics

2 answers

Approximately 95% of a normal distribution lies within 2 standard deviations of the mean.

2007-01-09 22:49:26 · answer #1 · answered by Anonymous · 0⤊ 0⤋

Never heard of it!

2007-01-09 18:30:59 · answer #2 · answered by modulo_function 7 · 0⤊ 0⤋

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