Question

When samples of the same size are taken from the same population, the following two properties apply:

1. Sample proportions tend to be ______ .
2. The mean of sample proportions is the same as the _____ .

Answer 1

Solution

Given that,

example

p = 0.5

1 - p = 0.5

n = 55

Sample proportions tend to be

1. The mean of sample proportions is the same as the ____ p_ .

   = p =0.5

note

=  [p ( 1 - p ) / n] =   [(0.) / ]