The following scores were obtained from a 15-item test in English. Boys: 9, 10, 13, 6,...

 

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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 89 79 92 87 90 80 83 91 87 79 85 81 98 75 89 84 77 75 82 91 87 88 82 90 85 90 93 87 93 95 92 77 79 84 86 76 1. Find the 1" and 3 quartile and interpret the results. 2. Find the 50th and 75 percentile and interpret the results. 3. Find the 38th percentile and interpret the result. 80 70 76 90 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 89 79 92 87 90 80 83 91 87 79 85 81 98 75 89 84 77 75 82 91 87 88 82 90 85 90 93 87 93 95 92 77 79 84 86 76 1. Find the 1" and 3 quartile and interpret the results. 2. Find the 50th and 75 percentile and interpret the results. 3. Find the 38th percentile and interpret the result. 80 70 76 90

Answer rating: 100% (QA)

Lets calculate the range absolute deviation variance and standard deviation separately for the boys ... View the full answer