Neco 2019 Data Processing Question 38
Practice objective / multiple choice question 38 from the 2019 Neco Data Processing examination.
The following grouped data shows the scores of 50 students in a mathematics test.\n\n\begin{tabular}{c c}\nScore range & Number of students\\\n0-49 & 5\\\n50-59 & 12\\\n60-69 & 20\\\n70-79 & 8\\\n80-89 & 3\\\n90-100 & 2\\n\end{tabular}\n\nUsing the class mid‑point method, (a) calculate the approximate mean score (to one decimal place), and (b) determine the percentage of students who scored above 70.
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About This Question
This is Neco 2019 Data Processing Question 38. It is one of the objective questions from the 2019 Neco Data Processing examination.
Difficulty level: Medium .
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