The formula $ \bar{Y} \pm Z\left(\sigma_{Y}\right) $ is used to estimate the
A)mean.
B)standard error.
C)Z score.
D)confidence interval for mean.

Question

Quizplus · Accepted Answer

The formula $ \bar{Y} \pm Z\left(\sigma_{Y}\right) $ is used to estimate the confidence interval for the mean. This formula provides a range of values within which we can be reasonably confident the true population mean falls, given a certain level of confidence.

The Formula Yˉ±Z(σY) \bar{Y} \pm Z\left(\sigma_{Y}\right) Yˉ±Z(σY​) Is Used to Estimate the A)mean

The Formula $\bar{Y} \pm Z\left(\sigma_{Y}\right)$ Is Used to Estimate the
A)mean