Neco 2022 Data Processing Question 32

Practice objective / multiple choice question 32 from the 2022 Neco Data Processing examination.

Neco 2022 Data Processing Objective / Multiple Choice Medium Difficulty
Question 32 NECO • 2022 • DATA_PROCESSING • objective

Exam scores of 70 candidates are grouped as follows:\n\nScore interval (marks) | Frequency\n40‑49 | 5\n50‑59 | 12\n60‑69 | 22\n70‑79 | 18\n80‑89 | 8\n90‑99 | 5\n\nUsing the interpolation method for grouped data, determine:\n\n(i) the median score, and\n\n(ii) the inter‑quartile range (IQR). Give answers to two decimal places.

Answer Options

A. Median = 66.67, IQR = 16.45
B. Median = 69.12, IQR = 18.00
Correct Answer C. Median = 68.18, IQR = 17.27
D. Median = 67.50, IQR = 15.80
Correct Answer
C
Correct Option:
Median = 68.18, IQR = 17.27

About This Question

This is Neco 2022 Data Processing Question 32. It is one of the objective questions from the 2022 Neco Data Processing examination.

Difficulty level: Medium .

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