Lewes Forum thread

Go on, tell 'em what you think

Lewes Forum New message


On Sun 17 Jan at 2:21pm IDM wrote:
Hope you all find me.
On Sun 17 Jan at 2:51pm IDM wrote:
BSP 3 Jan 16-56 and 17-47: Oh my God TP, that is not how to use statistics! You have sailed into new waters without a chart.
Percentages work on proportion, division, multiplication. Suppose you have 100 socks in a drawer (no, this not about making a pair!). One week you lose one (which might be accounted misfortune) and the following week another two (which might be termed carelessness). One to two is a 100% increase in the sock loss rate. In the same way, the reduction claimed by Pfizer is correct - about a 95% change in the infection rate.
Of course, you might feel that a sock loss rate of 1% or 2% is not worth worrying about; and you might feel that changes in very low infection rates are not worth worrying about either. So change everything to linear, addition, subtraction. You present your change in sock loss rate to "one percentage POINT". You can also present the change in infection rate in the same way, leading to the small difference you highlight. But this is a percentage POINT difference, not a percentage. If you don't believe me, look at a basic arithmetic (not statistics) book, or take a lead from the slideshows on the media or from No 10.
On Sun 17 Jan at 9:47pm Tom Pain wrote:
Do you mean TP as in your anally retentive dreamer persona?
On Wed 27 Jan at 3:49pm IDM wrote:
Nice one TP, although I admit it took me a few hours to get it.
On Fri 29 Jan at 12:24pm Dr. Livingstone wrote:
Is this a thread about .....a thread ? b s p - british standard pipe ?
On Sat 30 Jan at 9:21pm IDM wrote:
Yes, it is a thread which continues bsp (started 3 Jan), so it will obviously refer to its forebear. It would not surprise me if other threads about similar subjects move to here when they are full.

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River Wharfs Lewes 101:132
River Wharfs Lewes

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