World record running times. Table 4.3 shows the progress of world recordtimes (in
Chapter 0, Problem 4.25(choose chapter or problem)
World record running times. Table 4.3 shows the progress of world recordtimes (in seconds) for the 10,000-meter run for both men and women.(a) Make a scatterplot of world record time against year, using separate symbolsfor men and women. Describe the pattern for each sex. Then compare theprogress of men and women.Duomo/CORBIS(b) Find the correlation between record time and year separately for men and forwomen. What do the correlations say about the patterns?(c) Women began running this long distance later than men, so we might expecttheir improvement to be more rapid. Moreover, it is often said that men havelittle advantage over women in distance running as opposed to sprints, wheremuscular strength plays a greater role. Do the data appear to support these claims?
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