So what? Statistics is not about fitting data points on a curve... And arguably HR is even less about that!
An other way to present things is that helmets have some effectiveness: source http://en.wikipedia.org/wiki/Bicycle_helmet#Meta-analyses So at least use a one instead of none. Even if it has some merits on some points,…
So what? Statistics is not about fitting data points on a curve... And arguably HR is even less about that!
An other way to present things is that helmets have some effectiveness: source http://en.wikipedia.org/wiki/Bicycle_helmet#Meta-analyses So at least use a one instead of none. Even if it has some merits on some points,…