The scatterplot below shows Olympic gold medal performances in the long jump and the high jump from 1900 to 1988. Each point shows the distance that won the gold medal for the long jump and also the height that won the gold medal for the high jump for the same year. The correlation between the two kinds of jumps is 0.89. Olympic Gold Medal Performances 340 320 High jump (inches) 300 280 75 80 85 90 Long jump (inches) What would be a reasonable explanation for this high correlation? The athletes' age is a lurking variable explaining the association between long jump and high jump performance. O Long jumpers have improved their performance and this has inspired the high jumpers to improve their performance