Explanation:
Concordant pairs trend in the same direction; discordant pairs trend in different directions.
Concordant Pairs:
(1,2) and (2,4)
(1,2) and (4,3)
(3,1) and (4,3)
Discordant Pairs:
(1,2) and (3,1)
(2,4) and (3,1)
(2,4) and (4,3)
(Book 2, Module 23.3, LO 23.f)
Ultimate access to all questions.
Use the following information to answer the next two questions.
A statistician is interested in Kendall's τ and has collected data on Assets Y and Z, shown as follows:
| Year | Y | Z |
|---|---|---|
| 2016 | -20% | +10% |
| 2018 | -10% | +30% |
| 2015 | +25% | -20% |
| 2017 | +40% | +20% |
Question 90 of 100
How many discordant pairs are there according to the Kendall's τ methodology?
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B
C
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