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Descriptive Statistics
Measures of location, dispersion. Measurement of inequality, the Gini coefficient.
Probability theory
The distinction between risk and uncertainty. The concept of probability. The rules of probability.
Random variables and probability distributions. Discrete random variables: Bernoulli, binomial, Poisson. Continuous random variables: uniform, Gaussian (‘Normal’) distributions.
Bivariate probability distributions; joint, marginal and conditional probability distributions; covariance and correlation.
Statistical Inference
Sampling and sampling distributions for means and proportions. Uses of the t, ch-square and F distributions.
Point estimation and confidence intervals.
Hypothesis testing. Type I and Type II errors. Significance level and power of a test.
Two variable correlation and regression.
Index numbers: measures of inflation and output.
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