MathematicsStatisticsJAMB
In a test, 2 students scored 1, 3 students scored 2 and 5 students scored 3. Find the mean score.
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Answer: D. 2.3
(2 × 1 + 3 × 2 + 5 × 3)/10 = 23/10 = 2.3.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.