Victor wants to conduct a survey to find how much time the students of his school spent playing football. which of the following is an appropriate statistical question for this survey?
a. who plays football on weekends?
b. who plays football the most on mondays?
c. how many hours per week do you play football?
d. how many students play football for one hour every day?

In 1914, alabama produced 1.7 million bales of cotton, but three years later produced only 515,000, bales. meanwhile, in georgia, 5.2 million acres of land was dedicated for cotton production in 1914, but by 1923 there were just 2.6 million acres used for growing cotton. all of this was the result of the work of a tiny insect: the boll weevil. alabama and georgia first felt the effects of the boll weevil at different times. what would account for this difference in timing? a) the infestation moved from west to east. b) the infestation moved from east to west. c) georgia had better ways to deal with the problem. d) alabama was further from the insect's point of origin.