Hello, I have an agriculture economics-related question about commodity futures and can not seem to figure out the answer? Here is the picture of the image below.

D Question 28 Empirical studies of technical analysis: 0 Have usually shown that technical analysis is a valuable analysis tool. 0 Have shown technical analysis always works better than fundamental analysis as a predictor of price. 0 Have shown that charting works but statistical volume analysis does not. Q Have usually shown that technical analysis is only slightly better than a random predictor