Decide Whether the Relation Is a Function $$\{ ( - 6,4 ) , ( - 1,5 ) , ( 1,1 ) , ( 1,7 ) \}$$

question 26

Multiple Choice

Decide whether the relation is a function.
- $$\{ ( - 6,4 ) , ( - 1,5 ) , ( 1,1 ) , ( 1,7 ) \}$$

• A) not a function
• B) function

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Definitions:

Parametric Test

A statistical test that makes assumptions about the parameters of the population distribution from which the sample was drawn.

Wilcoxon Rank Sum Test

A non-parametric statistical test used to compare two independent samples to assess whether their population mean ranks differ.

Wilcoxon Rank-sum Test

A nonparametric statistical test used to compare two independent samples to determine if they come from the same population or not, based on rank sums.

Wilcoxon Rank Sum Test

A non-parametric statistical test used to compare two independent samples to assess whether their populations have identical distribution.