Introduction This post is part of a series I’ve been chipping away at, where I teach basic statistics and probability. The other posts in the series include: Measures of Central Tendency Frequency Distributions Dispersion and […]
Introduction The Z-test is a simple tool for hypothesis testing that can be used to identify whether a mean result, when compared to a larger set is statistically significant when the larger set is a normal […]
Introduction to Classification Oftentimes when performing research or intelligence analysis, the first step is to classify the available data. Classification provides a number of benefits that make later analysis easier. For one, they allow you […]
One role of helpline managers is to manage their workers so that they can answer the most calls possible within the available resources. Even helplines that run 24-hours and have 100% coverage can’t answer 100% […]
Regression is a technique used to predict future values based on known values. For instance, linear regression allows us to predict what an unknown Y value will be, given a series of known X and […]