2 eBook Consider a sample with data values of 10, 20, 12, 17, and 16. Compute the 3-score for each of the five observations (to 2 decimals). Enter negative values as negative numbers, Observed value -score 10 20 lllll 12 17 16 The Graduate Management Admission Test (GMAT) is a standardized exam used by many universities as part of the assessment for admission to graduate study in Exercise (3.43 : Not Answered At score is 547 (Magoosh website, January 5, 2015). Assume that GMAT scores are bell-shaped with a standard deviation of 100. a. What percentage of GMAT scores are 647 or higher % b. What percentage of GMAT scores are 747 or higher (to 1 decimal)? % c. What percentage of GMAT scores are between 447 and 5472 d. What percentage of GMA scores are between 347 and 647 (to 1 decimal)? %