I have been making a real effort to assess my student’s ability to think critically this semester in a more formal way and posted the following questions for them to answre attached to the graph below. Are the questions clear? I will admit that the wording could have been better (next time I will ask “does the graph *directly* support”, versus “is this support”).
Please vote below…. feel free to leave any comments. Thanks for helping me become a better teacher 🙂
6. The graph below shows the total corn acres planted and acres harvested. You are working as a commodities analyst for a brokerage firm and your job is to advise your clients on whether they should invest in corn in any given year. You often go through old data to make your predictions. While showing this graph to your boss, he remembers that there was a LOT of rain in 2007. He points to the increase in the 2007 corn harvest and says “It was because that year was very wet”.
Does the graph support his statement? (yes/no/I don’t know)
7. How might you go about determining if the 2007 corn harvest was in fact higher?
I might as well ask for your answers to the question: