conclusion
Year 13 Inference
Bootstrap distribution
Bootstrap distribution
Prof. Chris Wild gives a detailed explanation of the bootstrap process
Bootstrap Confidence Intervals
Bootstrap Confidence Intervals
Workbook
Workbook
Pages 48 - 54
Pages 48 - 54
making the call
making the call
Workbook
Workbook
Pages 55 - 59
Pages 55 - 59
sampling variability
sampling variability
Thank you to Prof. Chris Wild, University of Auckland for making these animations.
Notice that the bootstrap confidence interval distribution changes each time a sample is taken, and the confidence interval often changes.
However is it likely that the conclusion will change?
Notice that the bootstrap confidence interval gets narrower as the sample size increases.
Workbook
Workbook
Page 60 - 62
Page 60 - 62