Question 2.297

19. Unemployment Rate. The frequency ogive below represents the unemployment rate (in percentages) for 367 cities nationwide.9

image
  1. What is the class width?
  2. What is the upper class limit of the leftmost class?
  3. What is the class midpoint of the leftmost class?

2.3.19

(a) 0.8 (b) 2.39 (c) 1.99