Neco 2019 Data Processing Question 2

Practice essay / theory question 2 from the 2019 Neco Data Processing examination. This question covers Data Handling, Statistics, Interpretation of Data .

Neco 2019 Data Processing Essay / Theory

Topics: Data Handling Statistics Interpretation of Data

Question 2 NECO • 2019 • DATA_PROCESSING • essay

The table below shows the monthly sales (in thousands of naira) of a small retail shop for the twelve months of 2024.

Question Parts

( a )

Construct a grouped frequency distribution for the sales data using class intervals of 10 000 ₦ (i.e., 0‑10 000, 10‑20 000, …). State the class boundaries, frequencies and cumulative frequencies.

( b )

Using the grouped data, calculate: i. The mean monthly sales. ii. The median monthly sales. iii. The modal class and estimate the mode. Show all steps clearly.

( c )

Interpret the sales pattern for the year and suggest two practical measures the shop could adopt to improve its sales performance.

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About This Question

This is Neco 2019 Data Processing Question 2. It is one of the essay questions from the 2019 Neco Data Processing examination.

The question covers Data Handling, Statistics, Interpretation of Data .

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