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Evidence of EACH element in the statistical cycle is required 

Problem"I wonder whether the median VO2 for a male athlete is higher than the median VO2 for a female athlete" 'I think comparing VO2 max levels for male and female athletes will be useful because..." 

PlanWhat information will you need to answer the research question? What variables are needed? Using available data sets is recommended. 
Link to census at school PPDAC page 
Data displaysProduce dot plots and box & whisker plots of raw data 

Analysis1) Describing and Comparing Sample Distributions: 2) Bootstrap Confidence Interval Use technology such as EXCEL and iNZight 

ConclusionCorrectly interprets inclusion of zero in difference of means confidence interval. Use Randomisation to indicate how likely it would be to obtain the observed difference. Compare this with the bootstrap confidence interval. Formal inference used to answer question with justification and links to context. Includes interpretation of the confidence interval. 