P value in statistics: Understanding the p value and what it tells us Statistics Help
This video explains how to use the pvalue to draw conclusions from statistical output. Try the quiz after: This video includes the story of Helen, making sure that the choconutties she sells have sufficient peanuts. 0:00 Introduction 0:17 Formal and informal definitions 0:36 Example Helen s choconutties 1:03 Null hypothesis 1:19 Alternative hypothesis 1:36 Significance level 1:46 Sample and analysis 2:40 Interpretation 3:10 Not rejecting the null 3:30 Summary 3:50 Small pvalue means significant result. 4:33 Disclaimer If you would like more about where the pvalue comes from, take a look at Understanding where the pvalue comes from :
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