Tools Help All changes saved Code + Text 1.24408284023668 . 0.147928994082842 . 5.68639053254439 . 0.378698224852068 3.00591715976331 1.73375810301302 2. 95% ranges and z-scores Answer the following questions based on the results from two mental health screening measures in a cohort of adolescents in seven public schools in Southeast Texas. The tests include the battery for depression screening and the Screen for Child Anxiety Related Disorders. Higher scores indicate higher levels of depression/anxiety. Both distributions are roughly normal. The means and standard deviations are given below: Tests M (mean) (standard deviation) Depression 9 Anxiety 8 1) The range of depression scores that would include the middle 95% of the adolescents. (2 pts) 2) The range of anxiety scores that would include the middle 95% of the adolescents. (2 pts) 3) Calculate the following students' z-scores and percentile ranks for the depression test; based on the percentile ranks, explain their depression levels: Heather 14; Marc 9; Linda 6 (9 pts, 1 pt for each z-score; 1 pt for each percentile rank; 1 pt for each inerpretation of the percentile rank) 4) Emily scored 12 on both tests, so it seems that she is above average on both measures, but which of her measurement is more severe, depression or anxiety? Why? (2 pts) 5) What is the chance that an adolescent's depression score would be higher than 12? (2 pts) 1 mu=9 Os completed at 4:21 PM 91 3 SEP 27 @ A