Biostatistics — Flashcards

Flashcard 71: * Child-woman Ratio → _____ \(\times\) _____ * Pregnancy Rate → _____ \(\times\) _____ * Abortion Rate → _____ \(\times\) _____ * Abortion Ratio → _____ \(\times\) _____ * Crude Marriage Rate → _____ \(\times\) _____ * General Marriage Rate → _____ \(\times\) _____

Answer: \(\frac {No.\ of\ children\ 0-4\ yrs\ of\ age\ }{ Women\ of\ reproductive\ age\ (15-44/49yrs)}\)

Extra: y

Flashcard 72: What is the equation for Positive Predictive Value (PPV)?\n_____

Answer: PPV = TP / (TP + FP)

Flashcard 73: dependency ratio in india is _____

Answer: 50.2%

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Flashcard 74: national family health survey is used for _____ indicators

Answer: health and morbidity

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Flashcard 75: Correlation coefficient used to measure **linear** relationships: _____

Answer: Pearson correlation

Flashcard 76: Mean formula for **grouped data**:\n(\(f\) = frequency, \(X\) = value, \(n\) = total frequency)\n\n_____

Answer: \(\frac{\sum fX}{n}\)

Flashcard 77: Coefficient of determination formula

Answer: r² (where r is the correlation coefficient)

Extra: The coefficient of determination (r²) represents the proportion of the variance for a dependent variable that's explained by an independent variable in a regression model.

Flashcard 78: False positive error rate is related to _____ error

Answer: Type I

Flashcard 79: p value ranges from  _____

Answer: 0 to 1

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Flashcard 80: _____ is the last affected measure by extreme values

Answer: mode

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