advertisement

By: Mr. Menjivar Observe, Question, Comment 09/27/11 09/27/11 Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: 15L 15R What is the difference between the median number of turkey sandwiches sold and the median number of ham sandwiches sold? A. 0 B. 1 C. 2 D. 3 Observe, Question, Comment 09/27/11 09/27/11 Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: 15L Standard: 15R Statistics Data Analysis and Probability 1.1 Know various forms of display for data sets Statistics, Data Analysis, and Probability 1.2 Informally describe how the data points are distributed and any apparent relationship that exists between the two variables Observe, Question, Comment 09/27/11 09/27/11 Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: Standard: Objective: 15L 15R To interpret scatter plots To use scatter plots to find trends To make stem-and-leaf plots Observe, Question, Comment 09/27/11 09/27/11 Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: Standard: Objective: Vocabulary: 15L 15R The graph displays numerical data arrange in order. Each data item is broken into a stem and a leaf. A graph that shows the relationship between two sets of data. Observe, Question, Comment 09/27/11 09/27/11 Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: Standard: Objective: Vocabulary: Notes/Examples: 15L 15R 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? Step 2: Draw the stem-and-leaf plot 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 Observe, Question, Comment 09/27/11 09/27/11 Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: Standard: Practice: Objective: Vocabulary: Notes/Examples: 15L 15R As the distance from school increases, what happens to the amount of time it takes to get to school? Is there a positive correlation, a negative correlation, or no correlation between the distance? Explain what the point (0.5, 10) represents. How many students take longer than 35 min. to get to school? Observe, Question, Comment 09/27/11 09/27/11 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 Make a stem-and-leaf plot of each data set. 1) 54, 48, 52, 53, 67, 61, 68, 49, 40, 50, 69, 73, 74, 76, 78 2) 124, 129, 131, 116, 138, 107, 105, 116, 122, 137, 138, 134 Observe, Question, Comment 09/26/11 09/26/11 Stem-and-Leaf Plot & Scatter Plot Stem-and-Leaf Plot & Scatter Plot Reflection Warm-Up: Standard: Practice: Objective: Independent Practice: Vocabulary: Homework: Notes/Examples: 15L 15R Workbook Pg. 487 [1-6] [Due: Next Meeting]