Steven Proud

Sampling bias

Finding the variance of the sample mean

Finding the variance of a simple sum of random variables

Calculating the covariance between two discrete random variables

Does getting married make you richer? An example of omitted variables bias

Variance of the OLS estimator part 5 - testing hypotheses

Variance of the OLS estimator part 4

Variance of the OLS estimator Part 3

Variance of the OLS estimator part 2

Variance of the OLS estimator (Part 1)

Example of estimating OLS with a zero intercept

Is the OLS estimator unbiased

Constructing the OLS estimator with a restriction imposed

Example of testing a hypothesis using the t-distribution

An unbiased estimator of the population variance

Biased estimator of population variance

Distribution of the sample mean, when randomly sampling from the uniform distribution

Example of a Biased estimator

Randomly sampling from a Uniform Distribution between -3 and 5

Evaluating a (continuous) joint distribution

Differences between true errors and fitted residuals (OLS)

Interpreting a semi log regression

Under what circumstances is OLS unbiased

Motivating Confidence intervals

Deriving an unbiased estimator for the population variance

Joint probability density functions

Introduction to insurance

Squaring a summation

"What are the barriers to active learning in Economics?"

Lunchtime for squirrels