CS544 Module 3 Assignment Extra Credit Question (20pts) (1) (10 pts) To analyze the social media behavior differences between boys and girls, Mr. P's Statistics class was asked to count the number of text messages that they sent over a three-day weekend. The following table summarizes the data: Values under Q1 Q Median Q3 Values over Q3 Females 15, 43, 100 130 175 358 450, 573, 1098 Males 3, 59 72 183 273 293, 337 a. Construct parallel boxplots of this set of data. b. Do the data indicate that females or males had the greater mean number of texts? Explain in detail (Shape, Outliers, Center, Spread; Conclusion). Page 517CS544 Module 3 Assignment (2) (10 pts) Below are two population pyramids from the U.S. Census Bureau. Male Liberia, 2010 Female 65-65 60-64 50-5. 40-44 30-3 25-29 20-24 15-19 10-14 5-9 315 252 189 126 63 0 63 126 189 252 315 Population (in thousands) Mole Canada, 2010 Female 95+ 90-94 85-89 80-84 75-79 70-74 65-69 60-64 55-59 50-54 45-49 40-44 35-39 30-34 25-29 20-24 15-19 10-14 0-4 2 1.6 1.2 0.8 0.4 0 0 0.4 0.8 1.2 1.6 Population (in millions) a. The approximate median age of the Liberian population falls in which of these intervals: 0-4, 15-19, 30-34, 40-44? Explain. b. Explain why it is impossible to calculate the mean age of either population. c. Which country has more children younger than 10 years of age? Explain. d. Does the population pyramid indicate that Canadian men or Canadian women live longer? Explain e. In 2010, Liberia had recently come out of a civil war with the extensive use of child soldiers. How is this visible in the population pyramid? Page 6|7