A random sample of eight pairs of twins was randomly assigned to treatment A or treatment B. The data are given in the following table. Tm'ns12345678 TreatmentA 48.3 44.6 49.7 40.5 54.3 55.6 45.8 35.4 Treatmentll 43.5 43.8 53.7 43.9 54.4 54.7 45.2 34.4 Figure 4: Exercise 5 a. Is there signicant evidence that the two treatments differ using an a = 0.05 paired t test. b. What is the level of signicance of the paired t test? c. Place a 95% condence interval on the mean difference between the responses from the two treat ments