A Random Sample Is Drawn from a Normal Distribution with Mean

question 65

True/False

A random sample is drawn from a normal distribution with mean $\mu$ and variance $\sigma$ ².The random variable (n - 1)S² / $\sigma$ ² has a chi-squared probability distribution with n degrees of freedom.

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Definitions:

Political System

The structured set of institutions, parties, and processes through which a country or organization conducts its political affairs.

Atlantic Africa

The coastal regions of Africa that were involved in the Atlantic Slave Trade, primarily West Africa, from where millions of Africans were forcibly transported to the Americas.

Ndongo

A historical African kingdom located in what is now Angola, known for its resistance against Portuguese colonization in the 16th century.

Portuguese Forces

The military organizations of Portugal, including the Army, Navy, and Air Force, responsible for the defense and security of the country.