Section 1.2 EXERCISES

For Exercise 1.16, see page xx; for Exercise 1.17, see page xx; for Exercises 1.18 and 1.19, see page xx; for Exercise 1.20,see page xx; for Exercises 1.21 and 1.22, see page xx;for Exercise 1.23, see page xx; and for Exercise 1.24, see page xx.

Question 1.10

1.25 Your Facebook app can generate a million dollars a month. A report on Facebook suggests that Facebook apps can generate large amounts of money, as much as $1 million a month.9 The following table gives the numbers of Facebook users by country for the top 10 countries based on the number of users:10 image

Country Facebook users (in millions)
Brazil 29.30
India 37.38
Mexico 29.80
Germany 21.46
France 23.19
Philippines 26.87
Indonesia 40.52
United Kingdom 30.39
United States 155.74
Turkey 30.63

24

  1. Use a bar graph to describe the numbers of users in these countries.

  2. Do you think that the United States is an outlier in this data set? Explain your answer.

  3. Describe the major features of your graph in a short paragraph.

Question 1.11

1.28 Another look at the Titanic and class. Refer to the previous exercise. image

  1. Make a pie chart to display the data.

  2. Compare the pie chart with the bar graph. Which do you prefer? Give reasons for your answer.