To assess the effectiveness of a new diet formulation, a sample of 8 steers is fed a regular diet and another sample of 10 steers is fed a new diet. The weights of the steers at 1 year are given in Table 5.14. Do these results imply that the new diet results in higher weights? (Use α = 0.05.)

Table 5.14 Data for Exercise 5 Regular Diet New Diet 831 870 858 882 833 896 860 925 922 842 875 908 797 944 788 927 965 887 LO.1