Question 116692
RANGE=LARGEST NUMBER-SMALLEST NUMBER=100-80=20 IS THE RANGE.
THE MEDIAN IS THE MIDDLE NUMBER WHEN ALL NUMBERS ARE ARANGES IN SEQUENCE (SMALLEST TO LARGEST) 80 80 (85) 90 100 THUS 85 IS THE MIDDLE NUMBER.
THE MODE IS THE NUMBER THAT APPEARS MOST FREQUENTLY. 80 APPEARS TWICE THEREFORE 80 IS THE MODE.