Mike Moffatt explains the need for a mandatory census.
Mike Moffatt explains the need for a mandatory census.
Note that this problem does not go away if you increase the number of people you voluntarily survey. If Polish immigrants are less likely to respond to the survey relative to guys named Moffatt, then you’ll get the same results if you send the survey to 20% of the population of 30% of the population.
Unless the government is planning on putting questions such as race, ethnicity, income and religion into the mandatory short-form census, we’re going to have a really difficult time doing any kind of planning in heterogeneous neighbourhoods, as shown by this example.