Kira looked through online census information to determine the average number of people living in the homes in her city. What is true about Kira’s data collection?

Kira used an observational study where the data is qualitative.
Kira used an observational study where the data is quantitative.
Kira used published data that is qualitative.
Kira used published data that is quantitative.

Question

Kira looked through online census information to determine the average number of people living in the homes in her city. What is true about Kira’s data collection?

Kira used an observational study where the data is qualitative.
Kira used an observational study where the data is quantitative.
Kira used published data that is qualitative.
Kira used published data that is quantitative.

Astrum · Answer

She had used published data since the information from an online census would be publically disclosed research data. In this case, the data is quantitative because a census is based on numbers.