A quick and dirty approximation for the 95% confidence interval is to add and subtract the standard error from the sample mean.

Name: A quick and dirty approximation for the 95% confidence interval is to add and subtract the standard error from the sample mean.
Brand: Quizplus
Rating: 4.7 (45 reviews)

Question

Quizplus · Accepted Answer

The quick and dirty approximation for the 95% confidence interval typically involves adding and subtracting roughly 2 times the standard error from the sample mean, not just the standard error itself.

A Quick and Dirty Approximation for the 95% Confidence Interval