Trial runs are recommended for which of the following reasons?
1. Trial runs provide an opportunity to remedy the situation during the experiment.
2. Trial runs provide a final chance to fine-tune levels of a factor.
3. Trial runs provide a chance to make any needed changes in the experimental plan during the experiment.
4. Trial runs can help considerably in estimating the time to complete a run, the logistical support required for level changes, and total time needed to complete an experiment.
Select the correct answer using the code given below :

Question

Examsnet · Accepted Answer

Correct Answer is : 2 and 4 only

UPSC ESE 2022 General Studies and Engineering Aptitude