Biostatistics — Flashcards

To calculate the significance of difference in proportions: **Universe to Sample:** \(Z =\) _____\)}}, where \(SE_{p} =\) _____\)}} **Sample to Sample:** \(Z =\) \(\frac{p_1 - p_2}{SE_{(p_1 - p_2)\)}}, where \(SE_{(p_1 - p_2)} =\) \(\sqrt{\frac{p_1q_1}{n_1} + \frac{p_2q_2}{n_2\)}}

blood pressure is _____ type of data

3675d56a2e7b4499a8f95928687a3c92-ao-2

crude birth rate of india is _____ per 1000 MYP

normal distribution curve is aka _____

demographic gap is maximum in _____ of demographic cycle

_____ is the best measure of central tendency

sample registration system(SRS) is conducted every  _____ time

observed Hb=18 g/dl mean Hb=14 g/dl standard deviation =2 g/dl z score=?

For small samples, to calculate significance of difference between means, t-test is applied →To compare unpaired data i.e independent observations done on individuals of two different or separate groups or samples drawn from two populations, _____ is used → t-value can be calculated by, \(t=\) _____, where s = _____