please answer both questions

2. Below are shown glucose concentration measurements for two solutions at room temperature and one after being stored in a refrigerator by two different blood glucose meters, OneTouch Ultra and Contour TS. (b) In determining whether the assumption that two sets of data have equal variances is true, an F-test can be used to compare the two associated sample variances: Fcalc=s22s12 and depending on its results, the two sets of data may or may not be pooled (if Fcalc