If the mean of the following data is 57.6 and the sum of the observati – InterviewSolution

InterviewSolution

1.	If the mean of the following data is 57.6 and the sum of the observations is 50. Find the missing frequencies f1 and f2. C.I 0 - 20 20 – 40 40 – 60 60 - 80 80 – 100 100 – 120 Frequency 7 F1 12 F2 8 5
Answer» 30,50,70,90,110a STATEMENT that the values of TWO MATHEMATICAL EXPRESSIONS are equal (indicated by the sign =).

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