Which of the following is a statistical question? A. What version operating system is installed on my computer?

B. What media player does John use at home?

C. How much powder do consumer electronics use?

D. How many interstate highways are there in the United States?

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

If 25% of y is 30, what is 60% of y?