The margin of error in a poll best represents the  ____ in a survey's results.

A) systematic bias
B) random sampling error
C) construct validity
D) construct variance

Margin of Error

A statistic expressing the amount of random sampling error in a survey's results, indicating how much the survey results may deviate from the actual population values.

Construct Validity

The degree to which a test measures what it claims to measure, reflecting the accuracy of the concept being evaluated.

Systematic Bias

A consistent and repeatable error in judgment or decision-making that deviates from accuracy due to certain predetermined factors.