Mathematics · Statistics

Find the arithmetic mean of the data given below: Class Interval: 20-30, 30-40, 40-50, 50-60, 60-70, 70-80, 80-90 Frequency: 3, 6, 13, 15, 14, 5, 4

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

55.33

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