please need help with these two problems

will rate :)

2.5 Drivers of motor vehicles have many possible distractions that can contribute to accidents. A cognitive distraction expert measured reaction times to triggers of red and green lights by peo- ple engaged in various activities. Activities included listening to the radio, talking on a cell phone, and responding to voice activated emails. What kind of variable is represented by these activities? (Would you care to guess which activity caused the greatest distraction?) 2.6 In exercise 1.2, you collected five random sam- ples each of 10, 20, and 30 bluegill sunfish lengths from a large data file. You should have saved your random samples in a handy loca- tion. Retrieve those data now for the following exercise. List one random sample of 20 lengths and determine ranks for each of the numbers (1 is smallest). a. Do the ranking by hand. b. Use computer software, such as R, to deter- mine the ranks. Show that your answer is identical to what you determined in part a)