An introduction to business statistics -- Descriptive statistics -- Probability -- Discrete random variables -- Continuous random variables -- Confidence intervals -- Hypothesis testing -- Statistical inferences based on two samples -- Experimental design and analysis of variance -- Simple linear regression analysis -- Muliple regression and model building -- Time series forecasting -- Process improvement using control charts -- Nonparametric methods -- Chi-Square tests -- Decision theory -- Statistical tables -- Covariance and correlation -- Counting rules -- The hypergeometric distribution -- The normal probability plot -- Properties of the mean and the variance of a random variance x and p -- Holt-Winters' models -- Stratified random sampling -- Cluster sampling and ratio estimation -- Using matrix algebra to perform regressio calculations -- The regression approach to two way analysis of variance -- Factor analysis, cluster analysis and multidimensional scaling -- The box-jenkings methodology -- Holt-winters' models -- Individual charts and charts

1. Commercial statistics
2. Statistics