Neco 2019 Computer Studies Question 4

Practice essay / theory question 4 from the 2019 Neco Computer Studies examination. This question covers Data and Information .

Neco 2019 Computer Studies Essay / Theory
Topic: Data and Information
Question 4 NECO • 2019 • COMPUTER_STUDIES • essay

The ICT teacher collected the scores of 30 students in the recent computer literacy test. The data are shown in the table below:

Question Parts

( a )
Construct a frequency distribution table for the scores, using class intervals of 10 marks (0–9, 10–19, …, 90–100).
( b )
Using the frequency distribution obtained in (a): (i) Calculate the mean score of the class. (ii) Determine the median score. (iii) Identify the mode(s) of the data set.
( c )
Discuss two possible sources of error that could affect the reliability of the test scores and suggest one way to minimise each error.
( d )
The teacher wishes to present the data visually. Recommend the most appropriate type of chart for this data and justify why it is suitable.

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About This Question

This is Neco 2019 Computer Studies Question 4. It is one of the essay questions from the 2019 Neco Computer Studies examination.

The question covers Data and Information .

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