Arrange the following steps of a well planned experiment in the sequential order.
A. Specify the treatment levels
B. Assign subject to groups and conduct pilot test
C. Choose an experimental design suited to the hypotheses
D. Control the environmental and extraneous factors
E. Select relevant variables for testing
Choose the correct answer from the option given below:
1
C, D, E, A, B
2
A, C, D, E, B
3
E, A, D, C, B
4
D, C, B, A, E