Question

15 pointsWhy will random samples from a given population not have the same mean?

Sample means will vary because the data values selected for samples are not randomly chosen.
Sample means will vary because for each sample the same data values are selected.
Sample means will vary because the data values are randomly selected from different populations.
Sample means will vary because the data values selected for each sample will be different.

Answer 1

D.) Sample means will vary because the data values selected for each sample will be different.

[ It is like the large pool, so if you pick some fishes from certain area might be very different from the fish of another area, in the same pool ]

Hope this helps!