z distribution

z distribution


Definition of Z DISTRIBUTION

:  a probability density function and especially a normal distribution that has a mean equal to zero and a standard deviation equal to one and that is used especially in testing hypotheses about means or proportions of samples drawn from populations whose population standard deviations are known — compare z-test

First Known Use of Z DISTRIBUTION



Next Word in the Dictionary: zdravets oil
Previous Word in the Dictionary: Zdarsky tent
All Words Near: z distribution

Seen & Heard

What made you want to look up z distribution? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More