Question: Answer the given questions. Refer to Appendix B for units of measurement and their symbols.
A technician records 4.4 s as the time for a robot arm to swing from the extreme left to the extreme right, 2.72 s as the time for the return swing, and 1.68 s as the difference in these times. What is wrong with this conclusion?
APPENDIX B Units of Measurement; The Metric System
![88_B.png](https://secure.tutorsglobe.com/CMSImages/88_B.png)