The graph on the right shows the rate at which postvocalic [r] is pronounced in New York City. 100 90 80 70 b. There is a particular well-known effect that this graph displays. State the name of this effect, describe how this graph illustrates the effect, and give a reason that has been suggested to explain the occurrence of such effects. (6 points) 60 a. Describe the overall pattern that the graph shows. (4 points) [In this part of the question, 50- leave aside the effect that you will discuss in part b.] 40 30 Rate of [r] pronunciation 20 10 0 upper middle class lower middle class casual careful reading word list minimal pairs style