Understanding our data
Guidance on reading and understanding survey and administrative data on our website.
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How to read survey data
An introduction to surveys, weighting and confidence intervals. - 
        
          
Interpreting our data
Issues with smaller sample sizes and making generalisations. - 
        
          
How we use Census data
Using population data from the 2011 Census. - 
        
          
Our statistical principles
Our approach to averages and rounding.