The data set below represents the ages of the ten students in larry’s 7th-grade math class.
12, 11, 13, 13, 12, 13, 12, 13, 13, 12

a. What is the mean age of the ten students?

b. What is the median age of the ten students?

c. What age describes the first quartile of the data?

d. What age describes the third quartile of the data?

e. What age describes the interquartile range?

f. Explain the meaning of the interquartile range as it relates to the age of the students in the 7th-grade class.