The best replacement for z-distribution is t-distribution.

The best alternatives to z-distribution are rated as following:
★★★★★  t-distribution

Your alternative for z-distribution is not listed? Suggest!


No companions for z-distribution have been suggested so far.
You have in mind a companion for z-distribution and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of z-distribution in all years. Click on graph for more.
z-distribution
t-distribution