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Stem-and-Leaf Plot and Scatter Plot

Stem-and-Leaf Plot and Scatter Plot. By: Mr. Menjivar. 09/27/11. 09/27/11. Observe, Question, Comment . Stem-and-Leaf Plot & Scatter Plot. Stem-and-Leaf Plot & Scatter Plot Reflection. Warm-Up:. 15L. 15R. Warm-Up.

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Stem-and-Leaf Plot and Scatter Plot

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  1. Stem-and-Leaf Plot and Scatter Plot By: Mr. Menjivar

  2. 09/27/11 09/27/11 Observe, Question, Comment Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: 15L 15R

  3. Warm-Up • What is the difference between the median number of turkey sandwiches sold and the median number of ham sandwiches sold? • 0 • 1 • 2 • 3

  4. 09/27/11 09/27/11 Observe, Question, Comment Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: Standard: 15L 15R

  5. Content Standards Statistics Data Analysis and Probability 1.1 Know various forms of display for data sets Statistics, Data Analysis, and Probability1.2 Informally describe how the data points are distributed and any apparent relationship that exists between the two variables

  6. 09/27/11 09/27/11 Observe, Question, Comment Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: Standard: Objective: 15L 15R

  7. Objective: • To interpret scatter plots • To use scatter plots to find trends • To make stem-and-leaf plots

  8. 09/27/11 09/27/11 Observe, Question, Comment Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: Standard: Objective: Vocabulary: 15L 15R

  9. Vocabulary:Stem-and-Leaf Plot The graph displays numerical data arrange in order. Each data item is broken into a stem and a leaf.

  10. Vocabulary:Scatter Plot A graph that shows the relationship between two sets of data.

  11. 09/27/11 09/27/11 Observe, Question, Comment Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: Standard: Objective: Vocabulary: Notes/Examples: 15L 15R

  12. Example 1Making Stem-and-Leaf Plots Make a stem-and-leaf plot for the data 51, 56, 67, 44, 50, 63, 65, 58, 49, 51, 66, 59, 63, 47 Step 1: Choose the stems. • What is the least value? • What is the greatest value? • What are the stems?

  13. Example1[continued…] Step 2: Draw the stem-and-leaf plot

  14. Example 2 Below are the monthly high temperatures for Death Valley California. Make a stem-and-leaf plot for the data. 87, 91, 101, 111, 120, 125, 134, 126, 120, 113, 97, 86

  15. Let’s Look At Page 630

  16. 09/27/11 09/27/11 Observe, Question, Comment Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: Standard: Practice: Objective: Vocabulary: Notes/Examples: 15L 15R

  17. Practice As the distance from school increases, what happens to the amount of time it takes to get to school?

  18. Practice Is there a positive correlation, a negative correlation, or no correlation between the distance?

  19. Practice Explain what the point (0.5, 10) represents.

  20. Practice How many students take longer than 35 min. to get to school?

  21. 09/27/11 09/27/11 Observe, Question, Comment Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: Standard: Practice: Objective: Independent Practice: Vocabulary: Notes/Examples: 15L 15R

  22. Independent Practice Make a stem-and-leaf plot of each data set. • 54, 48, 52, 53, 67, 61, 68, 49, 40, 50, 69, 73, 74, 76, 78 • 124, 129, 131, 116, 138, 107, 105, 116, 122, 137, 138, 134

  23. 09/26/11 09/26/11 Observe, Question, Comment Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: Standard: Practice: Objective: Independent Practice: Vocabulary: Notes/Examples: Homework: 15L 15R

  24. Homework • Workbook Pg. 487 [1-6] [Due: Next Meeting]

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