Biostatistics and Research Methodology
Unit 2 Notes

Regression : Curve fitting by the method of least squares, fitting the lines y= a + bx and x = a+by, Multiple regression, standard error of regression– Pharmaceutical Examples

Probability : Definition of probability, Binomial distribution, Normal distribution, Poisson’s distribution, properties- problems
Sample, Population, large sample, small sample, Null hypothesis, alternative hypothesis, sampling, essence of sampling, types of sampling, Error-I type, Error-II type, Standard error of mean (SEM)- Pharmaceutical examples

Parametric test : t-test(Sample, Pooled or Unpaired and Paired) , ANOVA, (One way and Two way), Least Significance difference