Answer:
Experimental B
Explanation:
The experimental design is how to verify the hypothesis efficiently and economically. In this design, we deliberately change one or more variables concerning observe the change in response variables. The statistical design is an efficient design for the procedure.
Experimental design determining with the hypothesis of an experiment and selecting the process factor for the study. In this design, the subjects are allocated in a different situation in an experiment. There are two groups in which the subject are divided, the experimental group, and the control group.
There is seen the change in the experimental group rather than a control group.
