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Collecting and Handling of MedicoStatistical Data
Graphs and Charts
9 other sections not shown
arbitrary origin arithmetic mean assumed mean average body weight average deviation batches block blood pressure calculate cards cause of death census charts class interval CN CN CN cncncncncn cococococo column computed correlation coefficient crude death rate cumulative frequency degrees of freedom disease divided estimate example experiment experimental factors female foetal deaths following table frequency distribution frequency table graph haemoglobin level of significance live births male measurements median method mms Hg morbidity mortality rate normal curve null hypothesis number of individuals Number of live number of observations number of persons obtained patients percent percentage placebo population mean random numbers random sample rank correlation sample mean season simple random sample squared deviations standard deviation standard error standard population sum of squares Suppose survey theoretical frequencies tion treatment true mean units Universe mean usually variables variance variation zero