______1. What is the mean?
A. 38.1 B. 37. 5 C. 36.2 D. 35. 8
______2. Which class interval is the median class?
A. 25–29 B. 35–39 C. 45–49 D.50-54
______3. What is the median?
A. 35. 5 B. 36. 5 C. 37.5 D. 38.5
______4. What is the class size?
A. 7 B. 6 C. 5 D. 4
______5. What is the frequency of the median class?
A. 6 B. 9 C. 10 D. 12
______6. What is the lower class boundary of the median class?
A. 19. 5 B. 24.5 C. 29. 5 D. 34. 5
