Denise G. answered 04/09/20
Algebra, College Algebra, Prealgebra, Precalculus, GED, ASVAB Tutor
In a standard normal distribution (with mean 0 and standard deviation 1) the first and third quartiles are at -0.67448 and +0.67448. Therefore the IQR is 0.67448-(-0.67448) = 0.67448+0.67448 = 1.34896