## Testing the difference between means.Two samples taken from within a normally distributed population. This calculator works off-line.

#### Enter the population numbers, the sum of the measurements and the standard deviation of the total population

Programme written by DJR Hutchon (copyright)
This calculator is for educational use. It is believed accurate but no responsibility for accuracy of the results is accepted by the author. David J R Hutchon BSc, MB, ChB, FRCOG Consultant Gynaecologist, Memorial Hospital, Darlington, England.

Comments and suggestions are welcome and will be included in the comments section. E-mail to me at DJRHutchon@Postmaster.co.uk

1/1/1999