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IS THAT DIFFERENCE SIGNIFICANT?

ANALYTICS

• Scenario 4 – testing the accuracy of a survey result
  • Scenario 1 - testing for significant differences on results based on the same sample
  • Scenario 2 - testing for significant differences on results from separate samples
  • Scenario 3 - testing for significant differences between sample means

Example: what is the accuracy of a result of 57% based on a sample of 500 people?

Answer: At the 95% confidence level a result of 57% based on a sample of 500 people is accurate to +/- 4.34%

If you would like to run this test on your own data please use the calculator below.

SAMPLE SIZE:
% YOU WANT TO TEST:
ACCURACY AT 95% CONFIDENCE LEVEL (+/-):
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• Introduction
• Understanding Loyalty
• Predicting Uptake
• Segmenting the Market
• Advanced Analysis Techniques
• Is That Difference Significant
• What is Insight?

RELATED LINKS

• Business Sector
• Qualitative