[RCW1945]

Here are the IQs of the remaining contestants, calculated from an IQ test they completed before entering Big Brother...

Freddie 125
Marcus 122
Siavash 99
Charlie 97
Kris 92
Rodrigo 89
Noirin 80
Karly 79
Sree 74
Sophie 60
Lisa 55
The above should be credited to Daffodil.
Even if they are very approximate it is amazing how Sree gained a place at university.
40 years ago Lisa and Sophie would have been considered educationally subnormal.
To be fair to them all I do think it is dubious each year how BB chooses a group which is of such low intelligence. Especially since we know they test them before it starts. The strain of some tasks and things like shopping lists must leave some of them very stressed.
Incidentally, Freddie at 125, would be amongst the lowest scores at Oxford University.

To put the above figures into context:
If the 11 HMs were representative of the whole population there would be slightly fewer than 2 with IQs below 85.
As you can see, there are, in fact, 5, almost half.
For any person of merely average intelligence it would be purgatory being surrounded 24 hours a day by such vapid conversation.
With the removal of radio,TV, newspapers and books there is little mental stimulation left to HMs other than conversation.