1. Data Collection 12/16/09 EQ: How do I collect and read data?

2. Frequency Table

3. Line Plot

4. Bar graph

5. Bar graph

6. Picture graph

7. Line graph

8. Stem & Leaf

9. Histogram

10. Circle Graph

11. Circle Graph

12. Circle Graph

13. Mean Average Add numbers together and divide by total number

14. Mean 3 + 3 + 8 + 6 20 / 4 = 5

15. Median Put numbers in order It is the number right in the middle

16. Median 5, 8, 3, 2, 4 2, 3, 4, 5, 8 Median = 4

17. Mode Number that occurs most frequently 2, 3, 7, 3, 4, 5 Mode – 3

18. Range Put numbers in order 5, 8, 3, 2, 4 2, 3, 4, 5, 8

19. Range Subtract smallest value from largest 8 – 3 Range = 5

20. EQ: How do I collect and read data?