[Statistics for those in their 50s] Thoughts on days when I can't sit at my desk: Type I and Type II errors and the meaning of '1,000 people'

I couldn't find a block of time today, so I didn't open my problem set.Even so, I used a few minutes of spare time to think ...
Investopedia

Understanding Sampling Errors in Statistics: Types and Prevention

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
Kellogg School of Management

The Fundamental Concept

Consider a population of 70 individuals, for which you wish to estimate the mean annual income, μ. Assume that you have decided to use the following estimation procedure to make your estimate: simple ...