13a. The table below shows the distribution of hours spent at work by the employees of a factory in a week Time(hours) 20 - 29 30 - 39 40 - 49 50 - 59 60 - ...

Assessment: WAEC SSCE - Further Mathematics - 2025 (Essay) Subject: Further Mathematics

Question 1 Report

13a. The table below shows the distribution of hours spent at work by the employees of a factory in a week

Time(hours) 20 - 29 30 - 39 40 - 49 50 - 59 60 - 69 70 - 79
No. of persons 8 11 23 25 8 5

Draw an Ogive for the distribution

b. Using your graph,  estimate

i. the median.

ii. estimate the lower quartile

iii. 40th percentile

iv. number of employees that spent at least 50 hours 30 mins.

 

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