The t Test When a pollster reports that the margin of error is $\pm$ 3, this refers to the survey's
A)confidence interval.
B)degrees of freedom.
C)estimated effect size.
D)robustness.

Question

Quizplus · Accepted Answer

The margin of error refers to the range of values within which the true population parameter is expected to lie with a certain level of confidence. This range is calculated using a confidence interval, making choice A the correct answer.

The T Test When a Pollster Reports That the Margin ±\pm±

The T Test When a Pollster Reports That the Margin $\pm$