Mean, Median, and Mode
As the name suggests, measures of central tendency describe the center, or the middle point, of the data. The most common measure of central tendency is average, or arithmetic mean. Other measures include median and mode. Watch this lecture series and complete the interactive exercises.
Practice
Calculating mean and median from data displays - Answers
1. The interval for 10-15 kilometers contains the median.
2. The mean is 24 students.
3. The median is 25 students.
4. The interval for 30-40 hours contains the median.