Answer Happy

QUESTION 16 Consider a multinomial experiment involving n = 150 trials and k = 4 cells. The observed frequen- cies resulting from the experiment are shown in the following table, and the null hypothesis to be tested is as follow: Ho : p=0.3 P2 = 0.3 P3 = 0.2 P4 = 0.2 Cell 1 Frequency 38 2 50 3 38 4 24 The expected frequencies are 1. 4.5 4.5 3.0 3.0 2. 45 45 30 30 3. 0.3 0.3 0.2 0.2 4. 30 30 45 45 5. 38 50 38 24

QUESTION 19 Use the Wilcoxon Signed Rank Sum Test for the following matched pairs of samples to determine whether the two population locations differ at the 0.10 significance level. Sample 19 12 13 8 7 10 9 | 12 | 13 87 Sample 2 5 10 11 9 3 9 5 10 11 9 3 Which one of the following statements is incorrect? 1. Ho : The two population locations are the same. H: The location of population 1 is different from the location of population 2. 2. T+ = 62 and Tº = 4. 3. The value of the standardized test statistic Z is 24.1172. 4. The p-value for a two-tail test is 0.0098. 5. Reject Ho at 10% level of significance.