Answer: C. Analyze data and draw conclusions
Step-by-step explanation:
A scientific method of investigation is a step by step detailed process which involves studying the background and theory associated with the chosen topic of research, observation, forming hypothesis keeping in mind the observation, testing the hypothesis by using experimental procedures, analyzing the data and developing conclusion.
On the basis of the above description, C is the correct option. The data and conclusion can be drawn after the entire experimental process.