The Hb level in healthy women has to mean 13.5 g/dl and standard detion 1.5 g/dl, what is the Z score for a woman with Hb level 16.5 g/dl: (A) 9, (B) 10, (C) 2, (D) 1
Answer is C. Z = Individual value - mean SD 16.5 - 13.5 = 2 1.5