P-value in statistics: Understanding the p-value and what it tells us - Statistics Help
This video explains how to use the p-value to draw conclusions from statistical output. Try the quiz after: • p-values - 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 p-value means significant result.
4:33 Disclaimer
If you would like more about where the p-value comes from, take a look at "Understanding where the p-value comes from": • P-value calculations: Understanding w...
For a step-by-step description of how to use a p-value in a hypothesis test, see our video Hypothesis Testing: • Hypothesis testing: step-by-step, p-v...
For a quiz to further develop your understanding of a p-value see: • p-values - a quiz to develop understa...
See https://creativemaths.net/videos/ for all of Dr Nic's videos organised by topic.
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