This video explains how to use the pvalue to draw conclusions from statistical output. Try the quiz after: • pvalues a quiz to develop understa...
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": • Pvalue calculations: Understanding w...
For a stepbystep description of how to use a pvalue in a hypothesis test, see our video Hypothesis Testing: • Hypothesis testing: stepbystep, pv...
For a quiz to further develop your understanding of a pvalue see: • pvalues a quiz to develop understa...
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