00:01
In sample surveys, what is meant by bias? okay, so here, if we think about bias, bias will be the tendency to favor the selection of certain members of population, certain members, okay? it has nothing, it won't have anything to do with shape of distribution, and the natural variability between samples is called this.
00:30
That's a sample.
00:31
They're sampling error.
00:33
So it looks like, if we think about the options, a, b.
00:36
C, d, and, let me fix that d, d, d, and e.
00:43
Option a, e, the tendency for some distributions vary from normality.
00:47
That doesn't have to do with bias...