Of course they'll be biased!
People who don't recycle are not likely to attend an Enviroment Day event.
Suppose you want to collect data on how often people in your community use their new blue bin for recycling. You decide to ask the first 100 people you meet at an Enviroment Day even.
how might your res
be biased?
3 answers
ok thanks
what bias might you expect from this sample?
1 answer