Question: Harriett and Heslope, twin sisters, were intense competitors, but they never competed against each other. Harriett specialized in long-distance running and Heslope was an excellent sprint swimmer. As you can see from the distributions in the accompanying table, each was the best in her event. Take the analysis one step further and use z scores to determine who is the more outstanding twin. You might start by looking at the data and making an estimate.
