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Question 14In a frequency distribution with classes 0-10, 10-20 etc., the size of the class intervals is 10. The lower limit of fourth class is:(a) 40(b) 50(c) 20(d) 30

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Question 14



In a frequency distribution with classes 0-10, 10-20 etc., the size of the class intervals is 10. The lower limit of fourth class is:



(a) 40



(b) 50



(c) 20



(d) 30


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