ref: 9257482d28dbf820a598cfd3bc7f6f3a3e63b95a
dir: /stt/variancedist.2.t/
For many types of applications, the interval containing most of the observations is... .Bp For many types of applications, the interval containing most of the observations is: .EQ left [ X highbar - 2s ; X highbar + 2s right ] .EN