Neco 2020 Data Processing Question 46
Practice objective / multiple choice question 46 from the 2020 Neco Data Processing examination.
During a test, 40 students obtained the following score ranges: 0-39 (5 students), 40-49 (8 students), 50-59 (12 students), 60-69 (9 students), 70-79 (4 students) and 80-100 (2 students). Using the mid‑point of each interval, calculate the class mean score. Then, the teacher wishes to raise the mean to at least \(55\) by adding \(5\) marks to exactly \(k\) students. What is the smallest integer \(k\) that will achieve the target?
Answer Options
About This Question
This is Neco 2020 Data Processing Question 46. It is one of the objective questions from the 2020 Neco Data Processing examination.
Difficulty level: Medium .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.