z and t distributions part 1 Published 8 years ago • 156 plays • Length 14:42 Download video MP4 Download video MP3 Similar videos 0:43 chapter14_z_and_t_distributions_vignette 8:54 introduction to the t distribution (non-technical) 7:32 the t distribution 3:11 student's t distribution 3:14 empirical rule (68-95-99.7) for normal distributions 19:51 how to do a t-test for beginners 1:35 50-34-14 rule for z-distributions