Determine whether the following statements are true or false. ​(a) When a factor is controlled by setting it to three​ level
s, the particular factor is of no interest to the researcher. ​(b) Randomization is used so that those factors not controlled in the experiment​ "average out" their effect on the response variable. ​(This is a reading assessment question. Be certain of your answer because you only get one attempt on this​ question.) ​(a) Choose the correct answer below. A. The statement is false because a factor that is controlled and set at various levels is a factor of interest to the researcher. B. The statement is false because a factor that is controlled must be set to two levels. C. The statement is false because a factor that is controlled and set to a particular value is a factor of interest to the researcher. D. The statement is true.
