Answer question number 24

Answer question number 24 Median Coefficient of dispersion from the following data: 4 6 s 10 12 14 16 2 4 5 3 2 4 [M.D. from Me = 3.24 and Coefficient of M.D. = 0.4051 . Mean and Mean Deviation and coefficient of M.D. for the following distribution: wages 20 40 30 80-100 10 (Mean = 56, M.D. = 15.2 and Coefficient of M.D. = 0.271 Q.24. Find Mean Deviation from median of the marks secured by 100 students in a class-test as given below: rks No. of students 5 18 66—69 42 69-72 27 72-75 8 [M.D. = 2.251 sing Mean Deviation from median of the income group of 5 and 7 members given below, compare which of the group has more variability? 4000 4200 4400 4600 4800 Group A 3000 4000 4200 4400 4600 4800 5800 Group B [Group A: M.D. = 240, Coeff. M.D. = 0.054 Group B: M.D. = 571.4, Coeff. M.D. 0.13 Group B has greater variation) rd Deviation

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