Statistical Signifiance – Easy Peasy Calculation

Following a recent query on the E-group, Martin Hollis has kindly agreed to share his spreadsheet that allows you to calculate whether or not two percentages are statistically different for different sample sizes and universe sizes.  He has also included a ready reckoner which prints onto four sides of A4 and a printed version.

Click on the files below for this excellent resource – and many thanks Martin!