Data was collected at a pool. It showed that being older does not imply that a swimmer will stay for a shorter or longer amount of time. What is likely true? There is no correlation between age and length of stay. There is a correlation between age and length of stay. There may or may not be causation. Further studies would have to be done to determine this. There is a correlation between age and length of stay. However, there is no causation. This is because there is likely an increase in the length of stay with a decrease in age.