
Systems testing and implementation
different, or the projects may have been more or less complex, or
the information upon which the estimates are made may be
inaccurate.
2 Intuitive
method,
which is nothing better than an educated guess
based upon the knowledge and experience of the project leader.
Despite its obvious failings it is still the most common method
used for estimating timings.
For the gardening job, you would look at the garden and think
of
a
figure and round up to the nearest half-hour or hour. If it is a
large garden and you quote a time that is too short, you may get
the job but will have to work for more hours for the fixe