Biostatistics — Flashcards

_____ is the probability that when the test is negative, the disease is absent

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standard error proportions is calculated for _____ data

harmonic mean is calculated in cases of _____

Formula for Mode for Grouped data, when, \(f_1 = \) _____ \(f_0 = frequency \ of \ class \ above\ modal\ class\) \(f_2 = frequency\ of \ class \ after \ modal \ class\) \(i = group \ interval\) \(L = lower \ limit\ of\ modal\ class\) is given by, _____

_____

Formula to calculate Standard Deviation, in Ungrouped data when, \(\bar X = Mean\) \(X - \bar X = difference\ of\ each\ observation\ from\ mean\ (both \ real \ or \ assumed\ mean\ can \ be \ used)\) \(\sum (X - \bar X)^2 = Sum \ of \ squared \ of \ mean\ deviations\) is given by, _____ Another way to calculate is given by, _____

cut off for z score is _____

formula for specificity

Sample size for quantitative data, when SD of population is known and allowable error L is given, _____