Problems with official statistics

However, official statistics do have some limitations:

• The data has been collected with sociological researchin mind. This could lead to practical problems in using data. The caterogies used in the official statistics may not correspond with those the sociologist is interested in.
• The way that the statistics are collected changes over time. The caterogies used and their definitions can be modified. For example, the way that Registrar General places different occupations into different social classes has…