MathematicsStatisticsWAEC
The scores 1, 2 and 3 occur with frequencies 2, 3 and 5 respectively. Find the mean score.
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Answer: D. 2.3
Σfx = 2 + 6 + 15 = 23 and Σf = 10, so the mean is 2.3.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.