PDF 04752 CH09 0075 - Jones & Bartlett Learning

nificant. Although arbitrary, the P value of 0.05 is almost universally regarded as the cutoff level for statistical significance. It should be taken only as a guideline, however, because, with regard to statistical significance, a result with a P value of 0.051 is almost the same as one with a P value of 0.049. Commonly Used Tests ................
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