1.150 Twitter accounts. Twitter has more than 52,900,000 million users in the United States. A study of Twitter accounts classified users by age. Here are the numbers of users (in millions) for six age groups:41

Age Number Age Number
18–24 11.7 45–54 6.7
25–34 13.3 55–64 4.1
35–44 8.7 65 and over 2.7

Describe these data using the methods you learned in this chapter, and write a short summary about the age distribution of Twitter users based on your analysis.