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 ...

This applet helps users understand confidence intervals for the mean with simulated fish length data. Users can choose the sample size (n), mean (μ) and standard deviation (σ), and find many ...

We will learn the definition and correct interpretation of a confidence interval and how to construct one for the mean of an unseen population based on both large and small samples. We will look at ...