Neco 2023 Computer Studies Question 26
Practice objective / multiple choice question 26 from the 2023 Neco Computer Studies examination.
A set of test scores is grouped into the following class intervals with frequencies: 0\text{-}9: 5, 10\text{-}19: 8, 20\text{-}29: 12, 30\text{-}39: 7, 40\text{-}49: 3. Using the class mid‑point method, estimate the mean score. Then, if four additional students each obtain a score of 45, what is the new estimated mean (rounded to two decimal places)?
Answer Options
About This Question
This is Neco 2023 Computer Studies Question 26. It is one of the objective questions from the 2023 Neco Computer Studies 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.