I need a step by step solution on letter C please

89 90 80 98 75 87 88 93 79 80 79 83 91 89 84 82 90 95 84 70 92 87 79 77 75 85 90 92 86 76 87 85 81 82 91 93 87 77 76 90 1. Find the 1" and 3"d quartile and interpret the results. 2. Find the 50th and 75th percentile and interpret the results. 3. Find the 38th percentile and interpret the result. C. Common Measures of Variation The following scores were obtained from a 15 - item test in English. Boys: 9, 10, 13, 6, 10, 7,9, 10,8 Girls: 9, 7,5, 12, 3, 8, 10, 2, 8, 10, 14,7 Find the range, absolute deviation, variance, and standard deviation. 1. For the boys 2. For the girls 3. For the whole class