1. Sample Box-and-Whisker Plot lower extreme, or minimum value 1st quartile, the median of the lower half of the data set 2nd quartile, the median of the data set 3rd quartile, the median of the upper half of the data set upper extreme, or maximum value Definition: A graph that displays the highest and lowest quarters of data as whiskers, the middle two quarters of the data as a box, and the median. ES: Explicitly assess information and draw conclusions

2. Reading a Box-and-Whisker Plot Example 1: Number of DS games at home Questions: 1.) What is the largest data value (upper extreme)? 2.) What is the lowest data value (lowest extreme)? 10 12 1416 18 2022 24

3. 3.)What is the range of data values? 4.)What is the first quartile? 5.)What is the median of the data set? 6.)What is the third quartile? 7.) About what fraction of the values are greater than 20? 10 12 1416 18 2022 24

5. 1.) What is the median rental costs? 2.) What is the range of rental costs? 3.) What is the 3rd quartile? 4.) About what fraction of the rental costs are between $400 and $450? 5.) What is the interquartile range (IQR)?

6. The box and whiskers plots below represent the number of points scored in each game of the 2001- 2002 season for the New England Patriots and the St. Louis Rams. 1.) Which team has a higher median points per game? Explain your answer. 2.) What was the lowest number of points scored per game for each team? The highest? 3.) What is the interquartile range (IQR) for the New England Patriots? 4.) Which team has a higher 1st quartile? Explain.

7. Demonstrate Understanding: 1.) What is the range? 2.) What is the first quartile? 3.) What is the interquartile range? 4.) In a Box-and-Whisker Plot, can we tell how many values are in a data set? 8 10 1214 16 1820 22