2e Calculate arithmetic mean from the following data by Short-cut Meth – InterviewSolution

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2e Calculate arithmetic mean from the following data by Short-cut Method:(Ans. Arithmetic Mean = 57.4)Class Interval20-2525-3030-35Frequency1035-401240-4545-5050-55820115Find out arithmetic mean from the following distribution by Short-cut Method:(Ans. Arithmetic Mean = 35.5)ItemisLa

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