Which of the following measures the variability of a data set? A. median
B. MAD
C. mode
D. mean

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Jocelyn estimates that a piece of wood measures 5.5 cm. if it actually measures 5.62 cm, what is the percent error of jocelyn’s estimate? a. 2.13% b. 2.18% c. 12%