Six Observations Were Selected from Each of Three Populations $\alpha$ = 005 Level to Determine If There Is a Significant Difference

question 189

Essay

Six observations were selected from each of three populations. The data obtained is shown below.

Test at the $\alpha$ = 0.05 level to determine if there is a significant difference in the means of the three populations. Use both the critical value and the p-value approaches.

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Definitions:

Average Tax Rate

The fraction of total income that is paid in taxes, calculated by dividing the total tax paid by the total income.

Progressive

Referring to ideas, policies, or efforts that aim to instigate change or reform towards better conditions in society.

Proportional

Proportional pertains to a relationship or ratio where changes in one quantity correspond directly with changes in another.

Excise Taxes

Taxes paid on specific goods and services, such as tobacco and fuel, intended to raise revenue and discourage consumption of these items.