Waec Model Questions Vol6 2024 Mathematics Question 30
Practice objective / multiple choice question 30 from the 2024 Waec Model Questions Vol6 Mathematics examination.
In a class of 30 students, test scores are grouped as follows:\n\n- 40-49 : 2 students\n- 50-59 : 5 students\n- 60-69 : 9 students\n- 70-79 : 8 students\n- 80-89 : 6 students\n\nThe teacher adds 5 marks to every student who scored in the 40-59 range and subtracts 3 marks from every student who scored in the 80-89 range. After these adjustments, what is the new mean score of the class? Give your answer to one decimal place.
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About This Question
This is Waec Model Questions Vol6 2024 Mathematics Question 30. It is one of the objective questions from the 2024 Waec Model Questions Vol6 Mathematics examination.
Difficulty level: Hard .
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