Answer:
Option D) field notes recorded during participant observation.
Step-by-step explanation:
We are given the following in the question:
Qualitative data and quantitative data:
A) countywide census of speakers of more than one language.
This is a quantitative data as it can be expressed in numbers. The census would give a numerical value of speakers of more than one language.
B) average community income levels, by block.
This is a quantitative data. Average income levels are expressed in numbers.
C) ethnic composition of a community, by percentage.
Again it is quantitative data as expressed in numbers.
D) field notes recorded during participant observation.
Thus is an example of qualitative data as field notes are expressed in name, text.
Thus, the best example of qualitative data is
Option D) field notes recorded during participant observation.