A clinical psychologist is administering the Hamilton Rating Scale for Depression (Hamilton, 1967).The scale ranges from 0 to 52. Scoring is based on the 17-item scale and scores of 0-7 are considered as being normal, 8-16 suggest mild depression, 17-23 moderate depression and scores over 24 are indicative of severe depression.We have some evidence about the mean score for the Hamilton Rating Scale for Depression among the population of adolescents:= 6 with a standard deviation of=1.5.The clinical psychologist's patient, a 14-year old girl, scores a 10 on the scale.

How would you describe her score relative to the population of adolescents? Based on the z-scores