Question

a sampling error is the difference between the results and the population results. i dont know sample estimated real one attempt

Explanation:

Sampling error occurs because a sample is a subset of the population. When we take a sample, the statistics (like mean, proportion) calculated from the sample may not exactly match the parameters (corresponding values for the entire population). By definition, sampling error is the difference between sample - based results (which are estimates of population parameters) and the actual population results.

Answer:

sample