Further Mathematics Paper 2, WASSCE (PC 2ND), 2018

Question 6

 

Observation

 

In the report submitted by the Chief Examiner, he observed that majority of the Candidates were able to draw the histogram but unable to find the estimate of the modal age. The few that got this question wrong did not use the upper class boundaries.

 


The expected table is

 

The histogram is

 

From the histogram, the modal age of the workers is 38.5