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# Integrated Math 2: Section 1-3

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Histograms and Stem-and-Leaf Plots

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• ### Integrated Math 2: Section 1-3

1. 1. SECTION 1-3 Histograms and Stem-and-Leaf Plots
2. 2. Essential Questions How do you use and create histograms to solve problems? How do you use and create stem-and-leaf plots to solve problems? Where you’ll see this: Education, statistics, inventory, sports, entertainment
3. 3. Vocabulary 1. Frequency: 2. Histogram: 3. Stem-and-leaf Plot: 4. Outliers: 5. Clusters: 6. Gaps:
4. 4. Vocabulary 1. Frequency: Shows the number of times a number appears or numbers in an interval appear 2. Histogram: 3. Stem-and-leaf Plot: 4. Outliers: 5. Clusters: 6. Gaps:
5. 5. Vocabulary 1. Frequency: Shows the number of times a number appears or numbers in an interval appear 2. Histogram: A bar graph with no space between the bars 3. Stem-and-leaf Plot: 4. Outliers: 5. Clusters: 6. Gaps:
6. 6. Vocabulary 1. Frequency: Shows the number of times a number appears or numbers in an interval appear 2. Histogram: A bar graph with no space between the bars 3. Stem-and-leaf Plot: The leaf is the right-most digit in the number, and the stem is the other digits; 4. Outliers: 5. Clusters: 6. Gaps:
7. 7. Vocabulary 1. Frequency: Shows the number of times a number appears or numbers in an interval appear 2. Histogram: A bar graph with no space between the bars 3. Stem-and-leaf Plot: The leaf is the right-most digit in the number, and the stem is the other digits; The stem is on one side of a bar and the leaves on the other 4. Outliers: 5. Clusters: 6. Gaps:
8. 8. Vocabulary 1. Frequency: Shows the number of times a number appears or numbers in an interval appear 2. Histogram: A bar graph with no space between the bars 3. Stem-and-leaf Plot: The leaf is the right-most digit in the number, and the stem is the other digits; The stem is on one side of a bar and the leaves on the other 4. Outliers: Values that are much larger or smaller than the rest 5. Clusters: 6. Gaps:
9. 9. Vocabulary 1. Frequency: Shows the number of times a number appears or numbers in an interval appear 2. Histogram: A bar graph with no space between the bars 3. Stem-and-leaf Plot: The leaf is the right-most digit in the number, and the stem is the other digits; The stem is on one side of a bar and the leaves on the other 4. Outliers: Values that are much larger or smaller than the rest 5. Clusters: Groups of values that are not close to the rest of the data 6. Gaps:
10. 10. Vocabulary 1. Frequency: Shows the number of times a number appears or numbers in an interval appear 2. Histogram: A bar graph with no space between the bars 3. Stem-and-leaf Plot: The leaf is the right-most digit in the number, and the stem is the other digits; The stem is on one side of a bar and the leaves on the other 4. Outliers: Values that are much larger or smaller than the rest 5. Clusters: Groups of values that are not close to the rest of the data 6. Gaps: Large spaces between values
11. 11. Organizing Data 13 25 43 50 23 33 31 24 54 11 3 26 46 43 23 45 14 19 29 21 25 43 12 15 Which interval has the most scores? The least?
12. 12. Organizing Data 13 25 43 50 23 33 31 24 54 11 3 26 46 43 23 45 14 19 29 21 25 43 12 15 Which interval has the most scores? The least?
13. 13. Organizing Data 13 25 43 50 23 33 31 24 54 11 3 26 46 43 23 45 14 19 29 21 25 43 12 15 Score 1-7 8-14 15-21 22-28 29-35 36-42 43-49 50-56 Freq. 1 4 3 6 3 0 5 2 Which interval has the most scores? The least?
14. 14. Organizing Data 13 25 43 50 23 33 31 24 54 11 3 26 46 43 23 45 14 19 29 21 25 43 12 15 Score 1-7 8-14 15-21 22-28 29-35 36-42 43-49 50-56 Freq. 1 4 3 6 3 0 5 2 Which interval has the most scores? The least?
15. 15. Organizing Data 13 25 43 50 23 33 31 24 54 11 3 26 46 43 23 45 14 19 29 21 25 43 12 15 Score 1-7 8-14 15-21 22-28 29-35 36-42 43-49 50-56 Freq. 1 4 3 6 3 0 5 2 Which interval has the most scores? The least? Most: 22-28
16. 16. Organizing Data 13 25 43 50 23 33 31 24 54 11 3 26 46 43 23 45 14 19 29 21 25 43 12 15 Score 1-7 8-14 15-21 22-28 29-35 36-42 43-49 50-56 Freq. 1 4 3 6 3 0 5 2 Which interval has the most scores? The least? Most: 22-28 Least: 36-42
17. 17. Histograms on the TI-83/84
18. 18. Histograms on the TI-83/84
19. 19. Histograms on the TI-83/84
20. 20. Histograms on the TI-83/84
21. 21. Histograms on the TI-83/84
22. 22. Histograms on the TI-83/84
23. 23. Histograms on the TI-83/84
24. 24. Stem-and-Leaf
25. 25. Stem-and-Leaf
26. 26. Stem-and-Leaf
27. 27. Stem-and-Leaf
28. 28. Stem-and-Leaf
29. 29. Stem-and-Leaf 0 1 2 3 4 5
30. 30. Stem-and-Leaf 0 3 1 2 3 4 5
31. 31. Stem-and-Leaf 0 3 1 1 2 3 4 5 9 2 3 4 5
32. 32. Stem-and-Leaf 0 3 1 1 2 3 4 5 9 2 1 3 3 4 5 5 6 9 3 4 5
33. 33. Stem-and-Leaf 0 3 1 1 2 3 4 5 9 2 1 3 3 4 5 5 6 9 3 1 3 4 5
34. 34. Stem-and-Leaf 0 3 1 1 2 3 4 5 9 2 1 3 3 4 5 5 6 9 3 1 3 4 3 3 3 5 6 5
35. 35. Stem-and-Leaf 0 3 1 1 2 3 4 5 9 2 1 3 3 4 5 5 6 9 3 1 3 4 3 3 3 5 6 5 0 4
36. 36. Stem-and-Leaf 0 3 1 1 2 3 4 5 9 2 1 3 3 4 5 5 6 9 3 1 3 4 3 3 3 5 6 5 0 4 *Key: 4 2 = 42
37. 37. Answer on Your Own 1. What is the diﬀerence between a histogram and a bar graph? 2. What would be the stem and leaf of the following number: 45.3
38. 38. Problem Set
39. 39. Problem Set p. 18 #1-25 “The secret of success in life is for a man to be ready for his opportunity when it comes.” - Earl of Beaconsﬁeld