Neco Model Questions Vol1 2017 Mathematics Question 6
Practice objective / multiple choice question 6 from the 2017 Neco Model Questions Vol1 Mathematics examination. This question covers General .
The following table shows the distribution of scores in a mathematics test: Score interval (marks) | Frequency \( 40\text{-}49 | 5 \\ \) \( 50\text{-}59 | 12 \\ \) \( 60\text{-}69 | 20 \\ \) \( 70\text{-}79 | 8 \\ \) \( 80\text{-}89 | 3 \\ \) (a) Assuming the scores are uniformly distributed within each interval, determine the lower quartile \(Q_{1}\) of the data (give your answer to one decimal place). (b) Using the same uniform‑distribution assumption, estimate how many students scored more than 65 marks.
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About This Question
This is Neco Model Questions Vol1 2017 Mathematics Question 6. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Mathematics examination.
The question covers General .
Difficulty level: 1 .
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