Neco 2019 Data Processing Question 19
Practice objective / multiple choice question 19 from the 2019 Neco Data Processing examination.
A survey collected ages (in years) of 20 participants: 22, 35, 27, 19, 45, 33, 28, 31, 120, 29, 24, 38, 26, 23, 0, 34, 30, 27, 25, 32. Ages less than 5 or greater than 100 are considered invalid. Additionally, any age that appears more than twice is considered a duplicate and only the first occurrence is kept. After cleaning the data, how many valid age entries remain?
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About This Question
This is Neco 2019 Data Processing Question 19. It is one of the objective questions from the 2019 Neco Data Processing examination.
Difficulty level: Medium .
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