Biostatistics — Flashcards

_____ sampling is done in large homogenous population

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formula for diagnostic accuracy of a test

_____ analysis method is preferred to interpret RCT

_____ measure is the least affected by extreme values

_____ is the most robust measure of central tendancy

For applying Z-test, \(Z = \) _____ Now to test significance, _____ or, \(Z=\) _____, where s = _____ If _____ at given level of significance, then the observed difference is said to be statistically _____ (_____ is rejected in favor of _____)

For small samples, to calculate significance of difference between means, t-test is applied, → To compare paired data i.e. independent observations from one sample only, _____ is used t-value is given by, \(t=\) _____