Which is the best fertilizer for Mr. Jimenez’ backyard grass? Select the type of study most appropriate to the question.

A. Experimental
B. Experimental blinded
C. Case-controlled observational
D. Observational

an:C

Disagree.

The most appropriate type of study for determining the best fertilizer for Mr. Jimenez' backyard grass would be an Experimental study.

The most appropriate type of study for determining the best fertilizer for Mr. Jimenez's backyard grass is experimental. In an experimental study, researchers can manipulate and control the variables, in this case, different types of fertilizers, to determine their effect on the grass. This allows for a direct comparison between different fertilizers to identify the one that yields the best results.