4 min listen
[MINI] The Chi-Squared Test
FromData Skeptic
ratings:
Length:
18 minutes
Released:
Feb 6, 2015
Format:
Podcast episode
Description
The χ2 (Chi-Squared) test is a methodology for hypothesis testing. When one has categorical data, in the form of frequency counts or observations (e.g. Vegetarian, Pescetarian, and Omnivore), split into two or more categories (e.g. Male, Female), a question may arrise such as "Are women more likely than men to be vegetarian?" or put more accurately, "Is any observed difference in the frequency with which women report being vegetarian differ in a statistically significant way from the frequency men report that?"
Released:
Feb 6, 2015
Format:
Podcast episode
Titles in the series (100)
Introduction: The Data Skeptic Podcast features conversations with topics related to data science, statistics, machine learning, artificial intelligence and the like, all from the perspective of applying critical thinking and the scientific method to evaluate the... by Data Skeptic