Quote Originally Posted by Rjk View Post
as long as there aren't any significant differences in reporting of deaths between Wales and England (and I don't think there are) then you can calculate it using a z test. there is a large difference in the proportions, way more than could be explained by people being hit by buses.

You said Wales had 5% population and only 3.3% of the deaths,. Im saying that the 1565 figure you probably used cannot be compared to the England figure. Use 2491 and then see what you come up with