What is a Chi-Square test? | Statistics Ep. 23

If you’re ready to start, restart, or continue your own college journey with Study Hall, go to https://link.gostudyhall.com/stats to join a college course that starts on YouTube for just $25, and unlock the opportunity to earn transferable credits from ASU. Statistics is critical in helping us figure out whether the world looks the way we expect it to. That can include everything from how things fall into different categories, like the books we read, or even what neighborhood we’re in. And the chi-square test is exactly what we need in hypothesis testing to measure how well a model fits reality. __________________________________________________________________________ Follow us on social media! Twitter: https://twitter.com/gostudyhall Instagram: https://Instagram.com/GoStudyHall Facebook: https://www.facebook.com/GoStudyHall __________________________________________________________________________ Chapters: 0:00 - Introduction 1:21 - What Are Theoretical Distributions? 4:52 - Introducing The Chi-Square 6:55 - Goodness-Of-Fit Test 10:27 - Conclusion __________________________________________________________________________ #StudyHall #Statistics #RealWorld __________________________________________________________________________ REFERENCES: https://www.stat.uchicago.edu/~yibi/teaching/stat220/17aut/Lectures/L25.pdf SOURCES: https://www.ncl.ac.uk/webtemplate/ask-assets/external/maths-resources/animal-science/hypothesis-tests/chi-square-tests.html https://www.stat.uchicago.edu/~yibi/teaching/stat220/17aut/Lectures/L25.pdf https://open.umich.edu/sites/default/files/downloads/interactive_lecture_notes_13-chi-square_analysis.pdf https://www.bmj.com/about-bmj/resources-readers/publications/statistics-square-one/8-chi-squared-tests