Table 4 Partially completed table showing observed (O) and expected (E) numbers of fights in shaded and unshaded habitats, together with values for (O- E), (O-E)2 and (O-E)2/E. Shaded habitat (O) (E) (O- (O- E) E)2 (O-E)2/E (O) Unshaded habitat (E) (O- (O- (O-E)2/E E) E)2 Number of low escalation fights 13 14.5 13- 14.5 = -1.5 2.25 2.25/14.5 = 0.155 16 14.5 16- 14.5 = 1.5 2.25 2.25/14.5 = 0.155 Number of high escalation fights 74 (h) How many degrees of freedom are there for this test. Show how you arrived at your