A Medical Researcher Is Interested in Determining If There Is $$\chi ^ { 2 }$$

question 16

Multiple Choice

A medical researcher is interested in determining if there is a relationship between adults over 50 who walk regularly and low, moderate, and high blood pressure. A random sample of 236 adults over 50 is selected and
The results are given below. Calculate the chi-square test statistic χ $$\chi ^ { 2 }$$
to test the claim that walking and low,
Moderate, and high blood pressure are not related. $$\begin{array} { l | c c c } \text { Blood Pressure } & \text { Low } & \text { Moderate } & \text { High } \\\hline \text { Walkers } & 35 & 62 & 25 \\\text { Non-walkers } & 21 & 65 & 28\end{array}$$

• A)3.473
• B)16.183
• C)18.112
• D)6.003

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Definitions:

Two Jobs

A situation where an individual is employed in two different positions at the same time, impacting income and possibly tax calculations.

Self-Employment Taxes

Taxes paid by individuals who work for themselves, covering Social Security and Medicare contributions.

Net Earnings

The amount of income left after subtracting all expenses, taxes, and costs from the total revenue.

FUTA Taxes

Federal Unemployment Tax Act taxes are paid by employers to fund the unemployment account of the federal government.