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Calculate the arithmetic mean of the following data: Class interval 10−20, 20-30, 30-40, 40-50; Frequencies 5, 10, 15, 10.
31.25
32.50
30.00
33.75
32.50
Practice and solve "Calculate the arithmetic mean of the following data: Class interval 10−20, 20-30, 30-40, 40-50; Freq..." for RRB JE CBT-1 - Quantitative Aptitude · The correct answer is Option B: 32.50 · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "Calculate the arithmetic mean of the following data: Class interval 10−20, 20-30, 30-40, 40-50; Freq..." for RRB JE CBT-1 - Quantitative Aptitude · The correct answer is Option B: 32.50 · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.