A Survey Conducted in a Small Business Yielded the Results

question 2

Multiple Choice

A survey conducted in a small business yielded the results shown in the table. $\begin{array} { l c c } & \text { Men } & \text { Women } \\ \text { Health insurance } & 50 & 20 \\ \text { No health insurance } & 30 & 10 \end{array}$
Test the claim that health care coverage is independent of gender. Use a $0.05$ significance level. What is the value of the test statistic?

• A) \(\chi ^ { 2 } = 0.1637\)
• B) \(\chi ^ { 2 } = 3.841\)
• C) \(\chi ^ { 2 } = 8.263\)
• D) \(\chi ^ { 2 } = 5.821\)

---

Definitions:

Form 1040EZ

A simplified tax form for individuals in the United States who have a straightforward tax situation, enabling a faster filing process. (Note: As of my last update, Form 1040EZ has been discontinued and replaced by a redesigned Form 1040.)

Tax Rate Schedule

A chart that helps determine tax liability based on income levels and filing statuses, guiding how much tax is owed.

Simplified Tax Formula

A streamlined method for calculating taxable income, starting with adjusted gross income, subtracting either standard or itemized deductions, and personal exemptions.

Average Tax Rate

The ratio of the total amount of taxes paid to the total tax base (taxable income or expenditure), revealing the percentage of income paid in taxes.