Find the median, lower quartile, and upper quartile for the given set of data. {30, 24, 8, 21, 35, 23, 23, 19, 13, 17}
a. lower quartile = 8, median = 22, upper quartile = 35
b. lower quartile = 17, median = 22, upper quartile = 24
c. lower quartile = 8, median = 21.3, upper quartile = 35
d. lower quartile = 17, median = 21.3, upper quartile = 24

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old