STAS101: Probability Theory & Discrete Distribution Theory

Stream: BSc - Marthematical Statistics

Credits: 15

 

Module Content

  • Probability concepts.  
  • Sample point method.  
  • Event composition method.  
  • Conditional probability.  
  • Bayes’ Theorem.  
  • Random variable theory.  
  • Special discrete distributions: Binomial, Geometric, Negative Binomial, Hypergeometric & Poisson and Normal.  
  • Moments & MGF’s.  
  • Factorial moments and PGF’s.  

 

 

 

 

STAS102: Theory of Distribution

Stream: BSc - Mathematical Statistics

Credit: 15

 

Pre-requisites

STAS101 (at least 40%) 

 

Module Content

  • Basic probability concepts.  
  • Theory of continuous probability distributions.  
  • Expected values and MGF.  
  • Special continuous probability distributions: Uniform, Gamma, Exponential, Weibull, Pareto and Normal.  
  • Theory of multivariate discrete and continuous distributions, marginal and conditional distributions.  
  • Co-variance and correlation.  
  • Theory of conditional expectation and conditional variance.  
  • Functions of random variables: distribution function technique, transformation methods, MGF technique. Limiting distributions and stochastic convergence.  
  • CLT and applications.  Sampling distributions: Chi-square, t, F, Beta distributions.  
  • Monte Carlo simulation. 

 

 

 

STAV101: Financial Mathematics

Stream: BCom - Statistics

Credits: 12

 

Module Content

  • Simple and compound interest, nominal and effective interest rate  
  • Continuous compounding, changes in interest rate  
  • Net present value and internal rate of return.  
  • Simple and complex annuities, growing annuities  
  • Perpetuities and growing perpetuities.  
  • Loans: outstanding balance, interest and principal portion of instalment, missed payments, changes interest rates.  
  • Depreciation and sinking funds.  
  • Linear programming: graphical/corner point method.  
  • Sensitivity analysis.  

 

 

 

STAV102: Business Statistics

Stream: BCom - Statistics

Credit: 12

 

Module Content

  • Data: Acquisition, management, patterns and summary measures.  
  • Probability: Basic probability concepts, random variables, expected value.  
  • Discrete probability distributions: Bernoulli, Binomial and Poisson.  
  • Continuous probability distributions: Uniform, Normal and Exponential.  
  • Statistical sampling.  
  • Point Estimation and the sampling distribution of the sample mean.  
  • Interval estimation of population mean.  
  • Statistical test for population mean, proportion and variance.  
  • Comparisons of two populations.  
  • Simple linear regression analysis.  
  • Time series analysis.  

 

 

 

 

WSA101: Business Statistics

Stream: BA

Credits: 7

 

Module Content

  • Introduction to statistics: population, sample, sampling, scientific method, design of research studies, scales of measurement, discrete and continuous variables, statistical notation 
  • Frequency distributions: tables, graphs (bar chart, histogram, frequency polygon, pie chart and scatterplot), shape of frequency distributions 
  • Central tendency: mode, median and mode 
  • Variability: range, semi-inter-quartile range, variance, standard deviation 
  • z-Scores: calculating z-scores and deriving standardised distributions based on z-scores 
  • Probability: ratio between the number of specific outcomes and the total number of possible outcomes, range between 0 and 1, probability of the unit normal distribution 
  • The distribution of sample means: samples and sampling error, probability of obtaining a range of sample means, standard error of the mean, the central limit theorem and the law of large numbers 
  • Introduction to hypothesis testing: the logic, uncertainty and error in hypothesis testing, the general elements of hypothesis testing, one- and two-tailed tests, the z test 
  • One- and two-sample (independent) t tests 
  • Estimation: point estimates and confidence intervals for the mean 
  • Correlation and simple linear regression
  • Chi-square tests for goodness of fit and independence