Undergraduate
Most of the undergraduate students are 20 years and below while the least number of students
are those above 40 years. The number of students enrolled in the school has been increasing
from 2004 until 2011 when the number declined slightly. The number of students enrolled
decline between 2011 and 2012 and then started increasing again. This decline in the number of
enrolment affected all the categories except the 21-24 years category. In this category, the
number of students enrolled has been continuously increasing.
Postgraduate
Most of the postgraduate students are between ages 21- 24 years. These students are assumed
to be fresh graduates that are those students who have graduated from their undergraduate
courses. Generally, the number of students enrolled has been increasing. In the 21-24 years
category, the number of students has been increasing from 2004 to 2011 when the number
reduce for two years then begun to rise again. In the 25-29 year category, the number has been
continuously rising until in 2010when it declined for a year then started to rise again. In the 30-
39 category, the number of students enrolled has been falling until 2008 when it began
increasing. It declines again between 2010 and 2012 but later increased again. The number of
students in the over 40 categories has been increasing and only declined between 2010 to 2013
then remained constant.
4.3 You decided to record number of times the bus was late during your morning commute. The
table below shows the time (t) the bus you usually take, was late over the 20-day period. You are
required to fill in the frequency and the calculate following:
