Gce Model Questions Vol1 2021 Mathematics Question 37
Practice objective / multiple choice question 37 from the 2021 Gce Model Questions Vol1 Mathematics examination.
In a class of 10 students, the mean score of the first 6 students is \(68\). The overall mean score of all 10 students is \(70\). The variance of the whole class (population variance) is \(16\). Assuming the remaining 4 students all obtained the same score, find that common score.
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About This Question
This is Gce Model Questions Vol1 2021 Mathematics Question 37. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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