Given Two Independent Normal Distributions with S₁² - S₂² = $\bar { X } _ { 1 } - \bar { X } _ { 2 }$

question 93

Multiple Choice

Given two independent normal distributions with s₁² - s₂² = 100,?₁ = ?₂ = 50,n₁ = n₂ = 50,the sampling distribution of the mean difference $\bar { X } _ { 1 } - \bar { X } _ { 2 }$
Will have a mean of _________.

• A)1
• B)0
• C)50
• D)100

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Definitions:

Income

The money received, usually on a regular basis, for work or through investments.

Interest Rate

The segment of a loan levied as interest upon the borrower, customarily indicated as an annual proportion of the loan yet to be repaid.

Utility Function

A representation in economics that expresses the preference ordering of various utility levels or consumption bundles by individuals or firms.

Consumption

The use of goods and services by households or individuals, often analyzed to understand economic activity and consumer behavior.