The Census Act ensures that:

Individual data remains confidential
Census data is used for statistical purposes only
There are penalties for misuse of Census data
All of the above

The correct answer is: d) All of the above

The Census Act is a law that protects the privacy of individuals and ensures that census data is used for statistical purposes only. The Act also provides penalties for misuse of census data.

The Act ensures that individual data remains confidential by requiring that all census data be kept confidential and that it not be used for any purpose other than statistical purposes. The Act also provides penalties for misuse of census data, including imprisonment and fines.

The Act is important because it protects the privacy of individuals and ensures that census data is used for statistical purposes only. This is important because census data is used to make important decisions about how to allocate resources and to develop policies.