狠狠撸

brm biostatistics b pharmacy biostatistic b pharm 4th year merits demerits of mean relationship of different mean dispersion method of dispersion range quartile range standard deviation relative dispersion absolute dispersion methods for range calculation methods for quartile range standard deviation calculation harmonic mean geometric mean arithmetic mean types of mean mean ungrouped data grouped data calculation of mode mode research methodology biostatics pharmaceutical education median plagiarism quasi experimental design true experimental design pre- experimental design design techniques phase 3 studies phase 2 studies phase 1 studies need for research research friedman test kruskal- wallis test mann whitney u test signed rank test rank sum test wilcoxon non parametric test spearson's rank coefficient karl pearson coefficient method of studying correlation non- linear correlation linear correlation multiple correlation partial correlation simple correlation negative correlation positive correlation types of correlation correlation step deviation for s.d