Date last tested: 9/23/05.

Comparison of ‘ANOVA’ to other public software programs and statistical textbook.

F statistics & two-tailed p-value

Data input | 95% CI , ni, meani, si
95% confidence interval, Sample size, mean and std dev. of each group | 95%, 63, 55.1, 10.93 17, 47.59, 7.08 15, 49.4, 10.2 | 95%, 200, 3.78, .79 200, 3.3, .77 50, 3.32, .86 200, 3.23, .78 200, 2.73, .81 200, 2.59, .82
OpenEpi F statistics p-value | 4.6 0.012 | 57.99 <0.001
Rosner F statistics p-value | 4.6 0.012 | 58.0 <0.001
EpiInfo (DOS) F statistics p-value | 4.6 0.012 | 57.99 <0.001

‘CI’ Confidence interval; ‘ni’ sample size of Group i; ‘mi’ sample mean of Group i; ‘si’ standard deviation of Group i mean;

Reference:

· Bernard Rosner. Fundamentals of Biostatistics (5th edition).

· EpiInfo6 (DOS version). Epidemiology program office, CDC. (EpiInfo software downloaded from ‘www.cdc.gov’).