Answer:
The correct option is C) quantitative study
Step-by-step explanation:
Anything which is measurable and uses mathematics or statistical approaches comes under quantitative study. On the contrary, qualitative data account for all the non- numerical studies. Hence, the correct option is C.
Other options like option A is not correct because a personal journey will comprise of qualitative and quantitative data both. The study of the distance traveled in the journey will come under quantitative study whereas the study of the places visited will be qualitative study.