Respuesta :

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data:

time of day of watering plants vs growth rates

Step 02:

method of collecting data:

we must analyze the options to find the solution.

sample survey ===> FALSE

observational study ===> observes individuals and measures variables of interest but does not attempt to influence the responses. TRUE.

experiment ===> FALSE

The answer is:

observational study

RELAXING NOICE
Relax