Exhibit 12.6 The following table shows the distribution of employees in an Organization.Martha Foreman,an analyst wants to see if race has a bearing on the position a person holds with this company. 
Refer to Exhibit 12.6.For the chi-square test of independence,the value of the test statistic is:
Definitions:
Social Security Taxes
Taxes collected to fund the Social Security program, which provides retirement, disability, and survivorship benefits to qualifying individuals.
Tax Rate
The percentage at which an individual or corporation is taxed, which can vary based on income level, type of good, or transaction being taxed.
Marginal Tax Rate
The rate of tax applied to the last dollar of income, reflecting the tax bracket into which the incremental income falls.
Average Tax Rate
The Average Tax Rate is the proportion of the total taxable income paid as taxes, calculated by dividing the total amount of taxes paid by the total income.
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