SCIENTIFIC METHODS OF STUDYING THE DISTRIBUTION OF LIFE EXPECTANCY

Abstract

THE ANALYTICAL EXPRESSION APPROXIMATING THE PROBABILITY DENSITY FUNCTION OF LIFE EXPECTANCY OF THE POPULATION OF ST. PETERSBURG AND LENINGRAD REGION IS OBTAINED ON THE BASIS OF STATISTICAL ANALYSIS. THE RESULT CAN BE USED FOR SCIENTIFIC SUBSTANTIATION OF MANAGERIAL DECISIONS THAT REQUIRE PREDICTION OF THE DEMOGRAPHIC SITUATION IN THE REGION FOR THE LONG TERM.