A Researcher Wanted to Know If the Order in Which

question 18

Multiple Choice

A researcher wanted to know if the order in which runners finish a race is correlated with their weight. She conducts an experiment and the data are given below. The correlation for these data equals _________.

• A) 0.31
• B) 0.32
• C) 0.41
• D) 0.45

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Definitions:

Progressive Income Tax

A taxing mechanism in which the tax rate increases as the taxable amount of income increases, taxing higher incomes at higher rates.

Average Tax Rate

The ratio of the total amount of taxes paid to the total tax base (taxable income or spending), expressed as a percentage.

Absolute Tax Payments

The total amount of taxes paid by an individual or entity without considering the tax rate or income.

Progressive Tax

A tax system in which the tax rate increases as the taxable amount increases, with higher earners paying a higher percentage of their income in taxes.