4.1 Concepts, Reliability and Sampling

4.2 Histograms, CF, box plots

4.3 Mean, Median, Mode, Standard Deviation

4.4 Pearsons, Scatter Plot

4.5 Probability, Expected values

4.6 Combined, mutually exclusive, conditional, independent

4.7 Discrete Random Variables

4.8 Binomial Distribution

4.9 Normal Distribution

4.10 Spearman's Rank Co relation Coefficient

4.12 Data Collection, Reliability and Validity of Test

4.13 Non-Linear Regression

4.14 Linear Transormation of E(x) and Var (x)

4.15 Central Limit Theorem

4.16 Confidence Intervals

4.17 Poisson Distribution

4.18 T and Z test, type I and type II errors