CPM Homework Banner
7-117.
  1. This problem is a checkpoint for displays of data. It will be referred to as Checkpoint 7B.

  2. For the information in parts (a) and (b), create a histogram. For the information in parts (c) and (d), create a box plot and then identify the quartiles and interquartile range. Homework Help ✎

    1. Hours spent doing after school sports each weekday by students: 0, 4, 0, 1, 1, 1, pic, 1pic, 2, 2, pic, 2, 2, 2, 1pic, 1pic, 1, 1, 2, 4, pic, pic, 2

    2. Amount of time spent solving a math puzzle (minutes) by study teams: 3, 15, 18, 14, 10, 14, 19, 8, 14, 14, 15, 19, 9

    3. Average number of text messages sent per day by a group of friends: 47, 52, 50, 47, 51, 46, 49, 46, 48

    4. Number of points scored by the basketball team during a season: 76, 90, 75, 72, 93, 82, 70, 85, 80

  3. Check your answers by referring to the Checkpoint 7B materials.

  4. Ideally, at this point you are comfortable working with these types of problems and can solve them correctly. If you feel that you need more confidence when solving these types of problems, then review the Checkpoint 7B materials and try the practice problems provided. From this point on, you will be expected to do problems like these correctly and with confidence.

Answers and extra practice for the Checkpoint problems are located in the back of your printed textbook or in the Reference Tab of your eBook. If you have an eBook for CC2, login and then click the following link: Checkpoint 7B: Displays of Data: Histograms and Box Plots