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zakruti.com » Knowledge, science, education » Crash Course
Chi-Square Tests: Crash Course Statistics #29

Chi-Square Tests: Crash Course Statistics #29

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Rating: 4.0; Vote: 1
Today we're going to talk about Chi-Square Tests - which allow us to measure differences in strictly categorical data like hair color, dog breed, or academic degree. We'll cover the three main Chi-Square tests: goodness of fit test, test of independence, and test of homogeneity. And explain how we can use each of these tests to make comparisons
Date: 2022-04-04

Comments and reviews: 10


I followed you through the explanation and enjoyed it until the point where you determine whether to accept or reject the null hypothesis. It would be nice in future to show what you referred to when comparing the results of your chi-square test to determine whether it is above or below the critical value (i. e a chi-square table)
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One thing about the cat/dog owners. We would have to make sure no cat owner also owns a dog or vice versa, otherwise chi square is not mutually exclusive - there for not valid. Otherwise, love your videos!
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An easier way to calculate the expectant frequencies is to use the equation (total of column - total of row)/ sample size. So (161 - 479) / 1000 = 77. 12. The way they present it is confusing.
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6: 58 I had to repeat this part cause I was taken aback by the unexpectedly large number of people who like pineapple on pizza and couldn't focus on what she was saying.
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bruh. why does she have to be so fast in stringing and saying statements that we have to digest to understand the concept. this is cooked. anxiety says no thanks.
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why am I not surprised that the two highest houses were Hufflepuff and Ravenclaw xD I'm a Hufflepuff. I guess lots of nerds are affable or intelligent.
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I still don't understand what exactly expected data is? Is it just what people expect to happen, or is it data based on previously carried out research?
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It a great video on statistical concept however, the presenter should talk and explain a bot slower! You are too fast to be understood Amazing Lady!
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Love ur content, im a peruvian physician taking a master in epidemiology, so biostatistics are a smash in our heads, ur videos are so useful!
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Too fast. Edited to take out the pauses for thought. I need those pauses. Not stop chatter is too mind boggling. Thank you, anyways.
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