Neco 2021 Data Processing Question 2

Practice essay / theory question 2 from the 2021 Neco Data Processing examination. This question covers Data and Information Management, Statistical Calculations .

Neco 2021 Data Processing Essay / Theory

Topics: Data and Information Management Statistical Calculations

Question 2 NECO • 2021 • DATA_PROCESSING • essay

The table below shows the monthly sales performance of a retailer for the first quarter of the year. Month | Units Sold | Selling Price per unit (₦) --- | --- | --- January | 120 | 2,500 February | 150 | 2,600 March | 130 | 2,550

Question Parts

( a )

Calculate the total revenue earned in each month.

( b )

Determine the average monthly revenue for the quarter.

( c )

Compute the percentage change in revenue from January to February.

( d )

The retailer wishes to know the average selling price per unit for the quarter, weighted by the number of units sold each month. Calculate this weighted average price.

( e )

Identify one possible source of error in the data presented and suggest a practical method to reduce this error.

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About This Question

This is Neco 2021 Data Processing Question 2. It is one of the essay questions from the 2021 Neco Data Processing examination.

The question covers Data and Information Management, Statistical Calculations .

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