Question

why 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.

Explanation:

Random samples are subsets of a population. Since different random samples will likely have different combinations of data - values from the population, their means will vary.

Answer:

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