Question: A sample has M = 52 and SD = 7. What is the z -score corresponding to X = 36? On a standard measure of

  1. A sample has M = 52 and SD = 7. What is the z-score corresponding to X = 36?
  2. On a standard measure of hearing ability, the M = 300 and SD = 20. One patient has a z = +1.20. What is her corresponding X score on the measure of hearing ability?
  3. Dr. An Xious is interested in the effectiveness of a new anti-anxiety medication. Her sample has M = 44. Using Beck's Anxiety Inventory, one patient's score of X = 40 corresponds to z =-0.40. What is the standard deviation on Beck's Anxiety Inventory?

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