Which of the Following Is the Most Common Null Hypothesis

question 47

Short Answer

Which of the following is the most common null hypothesis used when testing for equality of two population variances? $\begin{array}{|l|l|}\hline \text { A } & \text { Ho: } \sigma_{1} 2 / \sigma_{2}^{2}>1 \\\hline \text { B } & \text { Ho: } \sigma_{1}^{2} / \sigma_{2}^{2}<1 \\\hline \text { C } & \text { Ho: } \sigma_{1}^{2} / \sigma_{2}^{2}=1\\\hline D.&\text { None of these choices are correct. }\\\hline \end{array}$

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Definitions:

Real GDP

The total value of all goods and services produced by a country in a year, adjusted for inflation, making it a measure of economic output that accounts for changes in the price level.

GDP Price Index

An indicator reflecting the variation in costs for all newly produced domestic final goods and services within an economy.

Real Gross Domestic Product (GDP)

An inflation-adjusted measure that reflects the value of all goods and services produced by an economy in a given year, showing true growth.

GDP Price Index

A measure that reflects the prices of all goods and services included in the Gross Domestic Product, indicating the overall level of inflation or deflation in an economy.