Which of the Graphs Below Represent Y as a Function

question 147

Multiple Choice

Which of the graphs below represent y as a function of x? ​
(a)
​ (b)
​ ​

• A)only (a)
• B)only (b)
• C)both (a) and (b)
• D)neither (a) nor (b)

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Definitions:

Test Statistic

A calculated value that is used to assess the evidence against the null hypothesis in a statistical test.

Alternative Hypotheses

Statements positing a specific relationship or difference between variables, considered when the null hypothesis is suspected to be false.

Test Statistic

A value derived from sample data used in hypothesis testing to determine whether to reject the null hypothesis.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists between specified populations or parameters.