The status quo and probiT analysis procedure was applied to determine means and standard deviations of the age at which Chilean hoys and girls reach the Tanner - Whitchousc stages of bone maturation of the wrist and hand. Giils mature earlier as expected. There were no sign if i am t differences with the previous study of the 0-6 years of age at six years. No deviations from the gaussian distributions were found...
