Kendall's τ-C Can Vary from +1

question 10

True/False

Kendall's τ-c can vary from +1.00 to -1.00. Scores of less than |0.25| indicate weak relationships; scores between |0.25| and |0.50| indicate moderate relationships; and scores of greater than |0.50| indicate strong relationships.

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Definitions:

Consumption

(rephrased) involves the utilization of goods and services by individuals or communities, primarily for personal satisfaction and basic needs.

WARP

WARP, or the Weak Axiom of Revealed Preference, is a consistency criterion for consumer choice behavior, suggesting that if a consumer prefers bundle A over bundle B when both are affordable, they should not choose B when A is still affordable.

Bundle

A collection of items or services grouped together as a single package.

Laspeyres Price Index

A price index calculated by taking the ratio of the total cost of purchasing a specified set of goods and services at current prices to the total cost of purchasing the same set of goods and services at base period prices, using base period quantities as weights.