Question

1. what does the margin of error directly account for in a statistical sample?

a. incorrect z - scores
b. errors in data collection
c. sampling variability
d. bias in the sample

Explanation:

The margin of error in a statistical sample directly accounts for sampling variability. Sampling variability refers to the differences that occur just by chance when we select different samples from the same population. It is not about incorrect Z - scores, data - collection errors, or sample bias directly.

Answer:

c. Sampling variability