What is a designed experiment?A. A designed experiment is a list of all individuals in a population along with certain characteristics of each individual. B. A designed experiment is when a researcher assigns individuals to a certain group, intentionally changing the value of an explanatory variable, and then recording the value of the response variable for each group. C. A designed experiment measures the value of the response variable without attempting to influence the value of either the response or explanatory variables.

B. A designed experiment is when a researcher assigns individuals to a certain group, intentionally changing the value of an explanatory variable, and then recording the value of the response variable for each group.

Step-by-step explanation: An experiment is a term used to describe the various procedures or steps put in place or carried out in order to either validate,refute, or support a hypothesis.

A designed experiment is a type of experiment, when the individual conducting the experiment intentionally change certain variables or factors in order to observe or confirm how it affects the other variables or factors.

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step-by-step explanation:

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