MINI LESSON
Central Tendency and Dispersion
Measures of central tendency describe the center of a data set.
Common measures include the mean and median.
Measures of dispersion describe how spread out the data are.
Standard deviation and interquartile range are common measures of spread.
Question 1
The geometry test scores for Andrea and Joe are shown in the table below. Which statement about their test scores is correct?
Question 2
The table below shows the highest temperatures recorded in August for several years in one town. The interquartile range of these data is