Downloaded from https://www.everyspec.com AMCP 700-190 1. Assign the ranks 1, 2, ... , 20 1. La Rnk hMDs BiiL to the ordered sample of twenty, 1.0. 1 11. Au 11 i.e., the sample 1.0 is labelled 3.Rs 2 12, su 12 1 and the sample 31.1 is labelled 4. Ou 13" Ou 13 20. 6.5s 4 14.Ou 14 7. s5 15.0s 15 8. Ou 6 19,88 16 8.Ss 7 21, au 17 8.9C 8 27.5u 18 9. Ou 9 28,00 19 9.58 10 31.1N 20 2. Identifythe ranks of sample u. 2. 3, 5, 6, 9, 11, 12, 13, 14, 17, 18. 3. Identify the ranks of sample m. 3. 1, 2, 4, 7, 8, 10, 15, 16, 19, 20. 4. Comupute the sum of the ranks of 4. Erank, . 108. sample u. 5. Compute the sum of the ranks of 5. Zrankg - 102. sample a. 6. From Table 2-30, find the criti- 6.
From Table 2-30, for an original sample oal rank-sum a-significance size N - 10 and s-siguifioance level - 5%. number C. C - 79. 7. Test the null hyprthesis. 7. Since the smaller rank sum, Erank. -a 102, is larger than C - 79, accept the hypoth-. esis stated in Table 2-30. it equally likely to last longer or shorter than a random item from the other popula- tion. Thus, on the basis of this test, we presume that a random item from one population 01s , I. II kI 1 II LL ,'II.IIIII. 1 i, .. • .. . .. .. ,I ....... ,•.. __ , '.*.I...... L..'.. h..'... . ... . .... *L