1. A sample of breakfast cereals yields the following data on the grams of carbohydrates per serving.
19 23 26 21 25 28 24 23 23 13 25 26
We wish to test H0: the median carbohydrates are 23
against Ha: the median carbohydrates are more than 23.
The Wilcoxon signed rank statistic is
A. W = 50.
B. W = 44.
C. 26.
2. A sample of breakfast cereals yields the following data on the grams of carbohydrates per serving.
19 23 26 21 25 28 24 23 23 13 25 26
We wish to test H0: the median carbohydrates are 23
against Ha: the median carbohydrates are more than 23.
The mean for the Wilcoxon signed rank test is
A. 33.
B. 22.5.
C. 39.
3. A sample of breakfast cereals yields the following data on the grams of carbohydrates per serving.
19 23 26 21 25 28 24 23 23 13 25 26
We wish to test H0: the median carbohydrates are 23
against Ha: the median carbohydrates are more than 23.
The P-value for the Wilcoxon signed rank test is
A. more than 0.10.
B. between 0.05 and 0.10.
C. less than 0.05.