Asked by Aikunduz Baltabaeva on Jul 28, 2024
Verified
You are performing the Wilcoxon rank-sum test. The 13th through 15th values in an ordered array of pooled sample data all equal $180 (while the 12th value is less and the 16th value is more) . The appropriate ranks for the three $180 values are:
A) 13, 14, 15
B) 14, 14, 14
C) 12.5, 13, 14.5
D) 12.5, 13, 15
E) 13, 13, 13
Wilcoxon Rank-sum Test
A nonparametric statistical test used to compare two independent samples, based on the ranks of their values, to determine if there are significant differences between them.
Ordered Array
A sequence of elements arranged in ascending or descending order, often used in computer programming for sorting and searching algorithms.
Pooled Sample Data
Combining data from different sources or groups to increase statistical power or assess overall effects.
- Comprehend the treatment of tied ranks in nonparametric testing scenarios.
Verified Answer
Learning Objectives
- Comprehend the treatment of tied ranks in nonparametric testing scenarios.
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