Question

Which of these experiments would make use of qualitative data?

A study of different surfaces to compare ability to repel water

A study of different shapes to compare rolling friction values

A study on the effects of sunlight on the growth rate of plants

A study on the change in freezing point of water when salt is added

Answer 1

I believe that the correct answer is the first answer: A study of different surfaces to compare ability to repel water

Answer 2

the answer is the first one.