Mode- The number you see the most. Eg: 1,2,2, 3,,5. The most numbers shown is 2.
Mean- You calculate all of the data and divide it by how many numbers there are. Eg: 1+2+5+7+10+9=34 and then you divide 34 by 6 and that equals 5.6. Average.
Range- You take the highest number and take away the lowest number. Eg: 1,5,8,10. So you go 10-1=9