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Framework market research and data analysis  

Statistics
 

 

 

Accuracy/Reliability

These calculations are generally combined with probability measures when results are based on samples.


  Estimation    

Confidence intervals
Standard error
  These indicate how sound is the number or proportion obtained. They provide upper and lower limits to the estimates based on a sample.
  Significance testing    

t-test

WilcoxonMann-Witney

ANOVA
Chi square
  These are used to test hypotheses that results from different samples are different, or whether the observed differences are likely to have occurred by chance.

 

 

for further information, contact:  Statistics@framework.co.uk

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