Market Research Samples Canadian Consumers Canadian Businesses Random Digit Dial Targeting Methods Geographic Targeting Demographic Targeting Ethnic Targeting Other Targeting Data Services Appending Pre-Dialing Statistical Services CHAID Trees Analysis Cluster Analysis Conjoint Analysis Forecasting and Projection Multiple Regression Advanced Services Ascription Data Fusion Location Planning and Site Selection Marginal Weighting Reach/Frequency Business Intelligence Consumer Data Business Data Prospect Targeting Data Services Phone Look-up Reverse Look-up Address Verification Phone Verification Tools & Resources Sample Size Calculator Our Old Website	Sample Size Calculator How Much Is Enough? Enter the size of your population and press the button.  You can read the answer as "A sample size of ____ will be accurate within +/- 5%, nine times out of ten".  Adjust Confidence Level and Confidence Interval to suit your needs. Confidence Level: 90%  95%     99% Confidence Interval:     Population: Sample Size:
Software, Content and Data Copyright 2007 Sampling Modelling and Research Technologies Incorporated Proudly serving professional Market Researchers in Canada for more than 30 years.  Member, MRIA