Lock, Stock, and the Bottom of the Barrel

As expected, the House of Commons has voted down the attempt to adhere to the Triple Lock, a manifesto commitment on which every MP was elected.

Adherence to the Triple Lock would still have left Britain with a lower pension than any comparable country. 

But if an eight per cent increase in wages is "a statistical anomaly", then precisely what increase would not be, and why not?

Where, exactly, is the line beyond which the figure is "anomalous"? And why, exactly, is that line there, in particular?