Question

Consider the following cumulative frequency distribution of distance from home to school for a sample of 50 grade 7 leaners on scholar transport. Which one of the following statements is incorrect?     

•  A. The midpoint for class 12 to 14 is 13.
•  B. The width for each class is 3.
•  C. The percentage frequency of class 9 to 11 is 26.
•  D. The relative frequency of class 6 to 8 is 8.
•  E. The frequency of class 18 to 20 is 2.

Answer 1

D. The relative frequency of class 6 to 8 is 8.