FREQUENCY DISTRIBUTIONS LECTURE 3 FREQUENCY DISTRIBUTIONS

FREQUENCY DISTRIBUTIONS

RELATIVE FREQUENCY OF EACH CLASS CUMULATIVE FREQUENCY OF EACH CLASS MIDPOINT OF EACH CLASS RELATIVE FREQUENCY OF EACH CLASS CUMULATIVE FREQUENCY OF EACH CLASS

TRY IT YOURSELF 1 Construct a frequency distribution using the ages of the 50 richest people data set listed on above. Use eight classes. a. State the number of classes. b. Find the minimum and maximum values and the class width. c. Find the class limits. d. Write the frequency f of each class.

TRY IT YOURSELF 2 Using the frequency distribution constructed in Try It Yourself 1, find the midpoint, relative frequency, and cumulative frequency of each class. Identify any patterns. a. Use the formulas to find each midpoint, relative frequency, and cumulative frequency. b. Organize your results in a frequency distribution. c. Identify patterns that emerge from the data.