Question

The scores of health care quality as calculated by a professional risk management company are listed for selected states. 118.2 114.6 113.1 111.9 110.0 108.8 108.3 107.7 107.0 106.7 105.3 103.7 103.2 102.8 101.6 99.8 98.1 96.6 95.7 93.6 92.5 91.0 90.0 87.1 83.1 a) By an appropriate rule (<50), organize the data in a frequency distribution [5] b) Prove that Q D P Median 2 5 50 = = = [12] c) What is the relationship among its coded mean, geometric mean and harmonic mean? [9] d) Using the coded mean technique of finding  , compute its coefficient of variationvvvvvvvvv