Based on general statistics, which one of the following students is most likely to have fewer problems associated with timing of maturation or puberty?
Hayden, a broad-shouldered boy who experiences spermarche around age 11
Kelli, who is taller than other girls her age and experiences menarche around age 10
Jason, a boy who shows signs of maturity a bit later than other boys his age Claire, who experiences menarche just before her 15th birthday