In Statistics, when we do Hypothesis Testing, we are supposed to have two hypotheses: A primary, or Null Hypothesis and an Alternative Hypothesis. This StatQuest explains why we need the Alternative Hypothesis, even though Hypothesis Testing tends to focus on the Null.

NOTE: This StatQuest follows up on Hypothesis Testing and the Null Hypothesis:    • Hypothesis Testing and The Null Hypot...  

And if you'd like to learn about p-values, check out...
p-values: What they are and how to interpret them:    • p-values: What they are and how to in...  
How to Calculate p-values:    • How to calculate p-values  

Lastly, if you would like to learn about Statistical Tests, see:    • Linear Regression and Linear Models  

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0:00 Awesome song and introduction
1:49 The Alternative Hypothesis
3:21 Testing the Null vs Alternative for 2 groups
5:38 Testing the Null vs Alternative for 3 or more groups
8:00 Summary and next steps

#StatQuest #AlternativeHypothesis