In a Chi-Square Test Regarding the Equality of 3 Population $\pi$

question 22

True/False

In a chi-square test regarding the equality of 3 population proportions, we should form the null and alternative hypotheses as follows:
H0: $\pi$ ₁ = $\pi$ ₂ = $\pi$ ₃ (All three proportions are equal.)
Ha: $\pi$ ₁ ≠ $\pi$ ₂ ≠ $\pi$ ₃ (All three proportions are different.)

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Definitions:

Profit Margin

The percentage of revenue remaining after all expenses have been deducted from sales, indicating the financial health and efficiency of a business.

Efficient Supply Chains

Supply chains that are effectively managed to ensure the right products are delivered at the right time to the right place with minimal waste and cost.

Low Inventory Levels

A situation where a business holds a minimal amount of products in stock to reduce holding costs and increase efficiency.

Geographically Dispersed

A term describing entities such as teams, offices, or populations that are spread across different geographical locations.