It tells you something about the group as a whole (not any individual member of the group) IF you are able to gather enough data to have a representative sample of the population. If you were only able to get the net worth of 20% of the people in the above room, the vast majority of the time you'd conclude that the average net worth of the room is $0.
There are some 3.5 billion women on the planet. Do you think you've reviewed the programming work of enough of them to constitute a representative sample?
> You have to work with what you know
Yes, what I'm pointing out is that you don't have enough information to claim to know anything.
There are some 3.5 billion women on the planet. Do you think you've reviewed the programming work of enough of them to constitute a representative sample?
> You have to work with what you know
Yes, what I'm pointing out is that you don't have enough information to claim to know anything.