Waec 2025 Mathematics Question 13

Practice essay / theory question 13 from the 2025 Waec Mathematics examination. This question covers General .

Waec 2025 Mathematics Essay / Theory 3 Difficulty

Topic: General

Question 13 WAEC • 2025 • MATHEMATICS • essay

The following are the marks scored by 20 students in a test: 15, 11, 17, 25, 13, 15, 16, 22, 24, 27, 20, 22, 15, 16, 15, 19, 22, 24, 22, 11.

( a )

Prepare a frequency table for the distribution using class intervals 10-12, 13-15, 16-18.

( b )

Calculate the variance of the distribution.

( c )

If the pass mark for the test was 16, find the probability that a student selected at random from the class failed.

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

This is Waec 2025 Mathematics Question 13. It is one of the essay questions from the 2025 Waec Mathematics examination.

The question covers General .

Difficulty level: 3 .

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows