Puffs | CO | Nicotine | Tar | |
---|---|---|---|---|
Mean | 12.3 | 10.9 | 1.3 | 15.7 |
Range | 9.4–15.7 | 5.5–14.1 | 0.9–1.8 | 9.9–21.0 |
Sample standard deviation | 1.5 | 2.2 | 0.2 | 2.8 |
F/F _{crit} | 5.1 | 2.2 | 2.3 | 2.1 |
significant | significant | significant | significant |
The tabulated values are calculated from the mean values recorded for each of the 26 recruits. A one-way analysis of variance was performed on the raw data: F/F _{crit} is the ratio of the calculated F ratio value to the criticalF ratio for 99% confidence.
CO = carbon monoxide.