For exactness, the " t "-test and " Z "-test require normality of the sample means, and the " t "-test additionally requires that the sample variance follows a scaled Location test for Gaussian scale mixture distributions for some theory related to one particular family of non-normal distributions.
42.
During the 3rd location test at Club Sega Akihabara Shinkan between 2012-07-14 and 2012-07-16 as part of the 4-game compilation title named'Ge-sen Love . ~ Plus Pengo ! ~'( ??????0 ^ �??? ???� ^ � ), where the game was made available as a download by RINGEDGE2 machines through Sega's new ALL . NET P-ras Multi game network, and was later released on 2012-09-20.
