a) Find the standard error of the mean for each sampling situation (assuming a normal population). (Round your answers to 2 decimal places.)

Standard Error

(a) = 56, n = 4

(b) = 56, n = 16

(c) = 56, n = 64

(b) What happens to the standard error each time you quadruple the sample size? The standard error is _______ by half.

Reduced or increased