(documentation tTest EnglishLanguage "A tTest is a way testing a hypothesis on the basis of a difference between sample means. Here (tTest ?COLL1 ?COLL2 ?PROB) means that ?PROB is the probability that ?COLL1 and ?COLL2 are samples of the same statisticalPopulation. This is meant to be used when ?COLL1 and ?COLL2 are two different statisticalPopulations.") 
UXExperimentalTerms.kif 598601 

(domain tTest 1 Collection) 
UXExperimentalTerms.kif 603603 
The number 1 argument of t test result is an instance of collection 
(domain tTest 2 Collection) 
UXExperimentalTerms.kif 604604 
The number 2 argument of t test result is an instance of collection 
(domain tTest 3 RealNumber) 
UXExperimentalTerms.kif 605605 
The number 3 argument of t test result is an instance of real number 
(instance tTest TernaryPredicate) 
UXExperimentalTerms.kif 595595 
t test result is an instance of ternary predicate 