Neco 2018 Data Processing Question 47
Practice objective / multiple choice question 47 from the 2018 Neco Data Processing examination.
The daily sales (in thousands of naira) for the last twelve days are: 5, 9, 12, 15, 18, 22, 24, 27, 30, 33, 36, 40.\n\n(a) Find the first quartile \(Q_1\), the median \(Q_2\) and the third quartile \(Q_3\).\n(b) Compute the inter‑quartile range \(IQR\).\n(c) What percentage increase is required to raise the lower quartile \(Q_1\) to the median \(Q_2\)? Give your answer to one decimal place and express it as a percent.
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About This Question
This is Neco 2018 Data Processing Question 47. It is one of the objective questions from the 2018 Neco Data Processing examination.
Difficulty level: Medium .
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