Neco 2022 Data Processing Question 2

Practice essay / theory question 2 from the 2022 Neco Data Processing examination. This question covers Mean, Median, Mode, Standard deviation, Interpretation of data .

Neco 2022 Data Processing Essay / Theory

Topics: Mean Median Mode Standard deviation Interpretation of data

Question 2 NECO • 2022 • DATA_PROCESSING • essay

The table below shows the number of students who obtained each score in a mathematics test out of 50. | Score (x) | Frequency (f) | |-----------|---------------| | 10 | 5 | | 20 | 12 | | 30 | 18 | | 40 | 8 | | 50 | 2 | The total number of students is 45.

Question Parts

( a )

Calculate the mean score of the class.

( b )

Determine the median score.

( c )

Identify the mode(s) and state whether the distribution is unimodal, bimodal or multimodal.

( d )

Using the grouped‑data formula, compute the standard deviation of the scores and comment on the spread of the results.

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About This Question

This is Neco 2022 Data Processing Question 2. It is one of the essay questions from the 2022 Neco Data Processing examination.

The question covers Mean, Median, Mode, Standard deviation, Interpretation of data .

View More Neco 2022 Data Processing Questions More Neco Practice Questions Back to Questions

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