NAME ____________________________________________ DATE ____________________________ PERIOD _____________

Course 2 • Chapter 9 Statistics and Sampling

Lesson 5 Homework Practice Misleading Graphs and Statistics For Exercises 1–3, use the table. 1. Determine the mean, median, and mode of the data. 2. Which measure might be misleading in describing

the value of each item? Explain. 3. Which measure would best describe the value of

each item? Explain. For Exercises 4 and 5, use the graph that shows the elevation of the two highest mountain peaks in Alaska. 4. Based on the size of the bars compare the

elevations of the mountains. 5. Explain how this graph may be misleading. 6. The graphs below show the hourly body temperature for a hospital patient. Which graph would

be more helpful to the doctor in showing the change in body temperature? Explain.

Antiques Item Value ($)

Desk 150 Table 850 Painting 850 Dishes 750 Sewing Machine 200

NAME ____________________________________________ DATE ____________________________ PERIOD _____________

Course 2 • Chapter 9 Statistics and Sampling

Lesson 5 Skills Practice Misleading Graphs and Statistics 1. Which graph could be used to indicate a greater increase in yearly lunch prices? Explain. For Exercises 2-4, use the table that shows the miles of shoreline for five states. 2. Determine the mean, median, and mode of the data. 3. Which measure of center is misleading in describing the miles of shoreline for the states? Explain. 4. Which measure of center most accurately describes the data?

Miles of Shoreline

State Length of Shoreline (mi)

Virginia 3,315 Maryland 3,190 Washington 3,026 North Carolina 3,375 Pennsylvania 89