Unit 8 Contents

Discuss Questions 7–16 with a partner. Use the 1858 and 2014 life span data you organized in data tables to answer the following questions.

7. Look at the 1858 life span data. In what age range did the most people die?
8. Look at the 2014 life span data. In what age range did the most people die?
9. In 1858, of the people died in their 30's and .16 of the people died in their 50s. Did more people die at 30–39 years or did more die at 50–59 years of age?
10. In 2014, 0.14 of the people died between the ages of 60 to 69 years and 0.12 died between to the ages of 90–99 years of age. Did more people die in their 60s or did more die in their 90s?
11. Look at the column labeled “Common Fraction.”
1. What is the sum of all the fractions in that column?
2. What does this sum represent?
12. Look at the column labeled “Decimal Fraction.”
1. What is the sum of all the fractions in that column?
2. What does this sum represent?
13. In 1858, about half of the deaths happen before the age of 30. Do you agree or disagree? Why or why not?
14. In 1858, about a quarter of the deaths happen before the age of 9. Do you agree or disagree? Why or why not?
15. In 2014, a little more than half of the deaths happen between the ages 70 and 90. Do you agree or disagree? Why or why not?
16. What other things do you notice about the data? Write a true statement about each set of life span data.