# Question

From the Oil-price.net Web site, we obtained the graph in the next column showing crude oil prices, in dollars per barrel, for a 1-month period beginning October 12, 2008.

a. Cover the numbers on the vertical axis of the graph with a piece of paper.

b. What impression does the graph convey regarding the percentage drop in oil prices from the first to the last days shown on the graph?

c. Now remove the piece of paper from the graph. Use the vertical scale to find the actual percentage drop in oil prices from the first to the last days shown on the graph.

d. Why is the graph potentially misleading?

e. What can be done to make the graph less potentially misleading?

a. Cover the numbers on the vertical axis of the graph with a piece of paper.

b. What impression does the graph convey regarding the percentage drop in oil prices from the first to the last days shown on the graph?

c. Now remove the piece of paper from the graph. Use the vertical scale to find the actual percentage drop in oil prices from the first to the last days shown on the graph.

d. Why is the graph potentially misleading?

e. What can be done to make the graph less potentially misleading?

## Answer to relevant Questions

Refer to Example 2.26 on page 80. Suggest a way in which the developer can accurately illustrate that twice as many homes will be built in the area this year as last. In exercise The networks for the top 20 television shows, as determined by the Nielsen Ratings for the week ending October 26, 2008, are shown in the following table. a. Determine a frequency distribution. b. Obtain a relative-frequency ...The Department of Justice and the Federal Bureau of Investigation publish a compilation on crime statistics for the United States in Crime in the United States. The following table provides a frequency distribution for ...The American Hospital Association conducts annual surveys of hospitals in the United States and publishes its findings in AHA Hospital Statistics. Data on hospital type for U.S. registered hospitals can be found on the ...Suppose that you have a data set that contains a large number of observations. Which graphical display is generally preferable: a histogram or a stem-and-leaf diagram? Explain your answer.Post your question

0