OMTEX CLASSES “THE HOME OF SUCCESS” 1 Theory of Attributes Ex. No. 1 1. Find the missing frequencies in the following data of two attributes A and B. = 800, = 120, = 500, = 300. 2. For a data for 2 attributes, it is given that = 500, = 150, = 100, = 60, find the other calss frequencies. 3. In a population of 10,000 adults, 1290 are literate, 1390 are unemployed and 820 are literate unemployed. Find the number of (i) lite rate employed. (ii) literates, (iii) employed. 4. In a co – educational school of 200 students c ontained 150 boys. An examination was conducted in which 120 passed. If 10 girls failed, find the number of (i) boys who failed, (ii) girls who passed. 5. In a sample of 240 persons, 40 were graduates a nd 5 were graduates employ ed. If 40 non – graduates were employed, find the number of unemployed non – graduates and the number of unemployed persons. 6. If for 3 attributes A, B and C, it is given that (ABC) = 210, = 280, = 180 = 24 0, = 25 0, = 160, = 360, = 32, (A), (B), (C), (AB), (AC) and (BC). 7. If for 3 attributes A, B, C, it is given that (ABC) = 370, = 1140, = 230, = 960, = 260, = 870, = 140, = 1030, , , , . 8. If N = 800, (A)=224, (B) = 301, (C) = 15 0, (AB) = 125, (AC) = 72, (NC) = 60 and (ABC) = 32, find . Ex. No. 2 Check the consistency of the following data. 1. = 100, =150, = 60, = 500. 2. = 100, = 150, = 140, = 50 0. 3. = 30 0, = 400, = 200, = 10 00. 4. − 150, = 45, = 125, = 200. 5. = 40, = 70, = 160, = 200. 6. = 75, = 50, = 55, = 300. 7. = 50, = 79, = 89, = 782. 8. = 200, = 300, = 300, = 1000. Ex. No. 3 1. Discuss the association of A and B if
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