Refer to the Following Figure to Answer the Following Questions

question 86

Multiple Choice

Refer to the following figure to answer the following questions.
-According to the figure,which point(s) would see tax revenues decrease if the tax rate decreased?

• A) only A
• B) only B
• C) A and C
• D) A and B
• E) B and C

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Definitions:

Variables

Elements, features, or factors that are likely to vary or change among subjects in a study or a population.

Spearman Rank

An assessment of rank correlation using a non-parametric approach that evaluates the extent to which a monotonic function can accurately describe the relationship between two variables.

Correlation Coefficient

A statistical measure that calculates the strength and direction of a linear relationship between two variables, ranging from -1 to 1.

Test Statistic

A number derived from sample information, employed in hypothesis testing to decide if the null hypothesis should be discarded.