Igcse Model Questions Vol1 2023 Mathematics Question 18
Practice objective / multiple choice question 18 from the 2023 Igcse Model Questions Vol1 Mathematics examination.
A class of 15 students is divided into Group X (12 students) and Group Y (3 students). The recorded overall mean score for the whole class is \(72\). Later it is discovered that one student's score in Group X was recorded \(5\) points higher than the actual score. Assuming all other recorded scores are correct, what is the corrected overall mean (to two decimal places)?
Answer Options
About This Question
This is Igcse Model Questions Vol1 2023 Mathematics Question 18. It is one of the objective questions from the 2023 Igcse Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.