تجمع مادة الإحصاء 110 للإختبار النهائي

[malak thg]

19. For each increase of the age of the employee by one year, then the number of sick days he or she takes each year
A) decreases by 0.317 on average.
B) increases by 0.317 on average.
C) increases by 21.1 on average.
D) decreases by 21.1 on average


ممكن احد يفهمني هذا السؤال
Marginal change <<< وهذا الشي كمان