1. FREQUENCY DISTRIBUTIONS
LECTURE 3
FREQUENCY DISTRIBUTIONS

2. FREQUENCY DISTRIBUTIONS

5. RELATIVE FREQUENCY OF EACH CLASS CUMULATIVE FREQUENCY OF EACH CLASS
MIDPOINT OF EACH CLASS
RELATIVE FREQUENCY OF EACH CLASS
CUMULATIVE FREQUENCY OF EACH CLASS

8. 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.

9. 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.