DEFINITION MODULE STAT; TYPE Block; BlockType = (Tally, Accumulate); PROCEDURE Create ( VAR X : Block; Kind : BlockType; Name : ARRAY OF CHAR ); PROCEDURE Init ( X : Block ); PROCEDURE Update ( X : Block; V : LONGREAL ); PROCEDURE Report ( X : Block ); PROCEDURE NumberObs ( X : Block (* Bloc statistique de type Tally. *) ): LONGCARD ; PROCEDURE Minimum ( X : Block ): LONGREAL; PROCEDURE Maximum ( X : Block ): LONGREAL; PROCEDURE Sum ( X : Block ): LONGREAL; PROCEDURE Average ( X : Block ): LONGREAL; PROCEDURE Variance ( X : Block (* Bloc statistique de type Tally. *) ): LONGREAL; PROCEDURE StandardDev ( X : Block (* Bloc statistique de type Tally. *) ): LONGREAL; PROCEDURE ConfidenceInterval ( X : Block; (* Bloc statistique de type Tally. *) Level : LONGREAL; (* Niveau de confiance. *) VAR Center, Radius : LONGREAL (* Milieu et rayon de l'intervalle. *) ); PROCEDURE ReportConfidenceInterval ( X : Block; (* Bloc statistique de type Tally. *) Level : LONGREAL (* Niveau de confiance. *) ); PROCEDURE Delete ( VAR X : Block ); END STAT.