Which of the Following Statistics Is Not Based on the Concept

question 30

Multiple Choice

Which of the following statistics is not based on the concept of concordant and discordant pairs?

• A) Kendall's tau b
• B) Somers's d
• C) Kendall's tau c
• D) Gamma
• E) Spearman's rho

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Definitions:

Profit Margin

A financial ratio, often expressed as a percentage, that compares a company's net income to its sales. It reveals how much profit a company makes for each dollar of its sales.

Sample Variances

The measure of spread within a sample dataset, calculated as the sum of squared deviations from the sample mean divided by the number of observations minus one.

Equal-variance T-test

A statistical method used to determine if there is a significant difference between the means of two groups which are assumed to have the same variance.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true.