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# 2 30 Data Collection

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### 2 30 Data Collection

1. 1. Data Collection<br />12/16/09<br />EQ: How do I collect and read data?<br />
2. 2. Frequency Table<br />
3. 3. Line Plot<br />
4. 4. Bar graph<br />
5. 5. Bar graph<br />
6. 6. Picture graph<br />
7. 7. Line graph<br />
8. 8. Stem & Leaf<br />
9. 9. Histogram<br />
10. 10. Circle Graph<br />
11. 11. Circle Graph<br />
12. 12. Circle Graph<br />
13. 13. Mean<br />Average<br />Add numbers together and divide by total number<br />
14. 14. Mean<br />3 + 3 + 8 + 6<br />20<br />/ 4<br />= 5<br />
15. 15. Median<br />Put numbers in order<br />It is the number right in the middle<br />
16. 16. Median<br />5, 8, 3, 2, 4<br />2, 3, 4, 5, 8<br />Median =<br />4<br />
17. 17. Mode<br />Number that occurs most frequently<br />2, 3, 7, 3, 4, 5<br />Mode –<br />3<br />
18. 18. Range<br />Put numbers in order<br />5, 8, 3, 2, 4<br />2, 3, 4, 5, 8<br />
19. 19. Range<br />Subtract smallest value from largest<br />8 – 3 <br />Range = <br />5<br />
20. 20. EQ:<br />How do I collect and read data?<br />