Question: A company producing digital thermometers believe its new design significantly reduces the variation in reported temperatures at very low temperatures compared to its existing design. Twenty-five thermometers of each type were used in an experiment that recorded reported temperatures in a controlled environment. The results are summarized as follows:
![393_Temp.png](https://secure.tutorsglobe.com/CMSImages/393_Temp.png)
Does their new design give better results?