Based on the data, we determined that plant growth is affected by the type of soil

Sometimes.

Explanation: Well, it depends on the other conditions, what is in the soil, etc.

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.