Biostatistics — Flashcards

IDD(iodine def. disorder) survey is done using _____ sampling method

Most commonly used sampling method is _____

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, _____

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

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yield of a test corresponds to _____

mid year population is calculated on _____

Mean for Ungrouped series, when x = observations given n = total number of observations given _____

_____ is a test of significance for internal consistency of questionnaire

Sample size calculation for qualitative data, when proportions are given \(p = positive \ character\ in \ \%\) \(q= negative\ character\ in\ \% (100-p) \) \(L = allowable \ error, \ usually \ 10 \% \ or \ 20\% \ of \ p\) is given by _____