Which of the Following Best Describes a Relative Class Frequency

Multiple Choice

Which of the following best describes a relative class frequency?

A) It is the number of observations that falls into a given class in a frequency distribution.
B) It is the proportion of all observations that falls into a given class in a frequency distribution.
C) It is the difference between the numerical lower and upper limit of a class of quantitative data.
D) It is the number of observations that falls into the smallest class in a frequency distribution.
E) None of these.