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Quick Scroll Library: Biostatistics : Basics - a must for all exams 06.28.05 (3 years ago) #1

For normally distributed data- parametric test Student’s t-test
For skewed continuous data which is paired- non- parametric testWilcoxon rank-sum test
For skewed continuous data which is unpaired- non- parametric testMann Whitney Test
To test one categorical variable against another Chi-squared test

Categorical variables are qualitative not numerical. Eg. dead or alive

SE(standard Error)= SD(standard Deviation)/√n
Confidence intervals are calculated from SE
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Quick Scroll 07.07.06 (2 years ago) #2

good work
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