Question: how far can the average 11 year old jump?
Answer: found that the standing long jump values in 11- year-old boys were 166.5±20.6 cm, and those values in girls were 157.5±20.2 cm. Standing long jump values in 12- year-old boys were 174.6±17.8 cm and they were 161.4±20.6 cm in girls. The same value was 182.4±22.1 cm in 13- year-old boys and 169.6±20.6 cm for girls.