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following is an incomplete distribution having model marks as 44 marks .marks:0-20:5 20-40;18 40-60;? 60-80;12 80-100;5 what would be the mean marks
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Since 44 is the modal mark, 40-60 becomes the modal class. Use the mode formula and find the unknown frequency, which is 20. Then use the mean formula and you will get the answer as 48. :)
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