10. Biostatistics test of significance, chi square test 8. Biostatistics standard deviation and coefficient of variation for grouped data 7. Biostatistics dispersion range, mean dev., std. dev. cv for ungrouped data 5. Biostatistics central tendency mean, median, mode for ungrouped data 4. Biostatistics graphical representation histogram and polygon 3. Biostatistics classification of data tabulation 2. Biostatistics types and methods of data collection 1. Biostatistics introduction and terminologies 
