Assignments which are data-holic, by that i mean which require number crunching on an independent institution, in which we've not worked as students, can be challenging. In Pakistan, although ERP systems are rampant in use, small organizations may not be eccentric about recording data, and even those which do, are not often willing to share. Apart from all this, i've this tendency these days to make up data. Its worst thing to do.
First, because you're not fooling anyone but yourself. Over years, the habit may persist, and in real world wrong information mean loss of competitive advantage and loss. Second, its certainly a short-cut of which we as nation are fond of. Third, lack of rigor won't do any good to personal development, as Iqbal once remarked that philosophy not written with hardship and khoon-e-jigar (blood of liver, literal meaning :D) would always remain imperfect and wide off mark.