A Hypothesis Tests That Two Population Means Are Equal

question 61

Multiple Choice

A hypothesis tests that two population means are equal.A sample of 10 with a standard deviation of 5 is selected from the first population and a sample of 15 with a standard deviation of 5 from the second population.The standard deviations are equal.Testing the claim at the 0.01 level,what is the critical value? Assume unequal standard deviations.

• A)3.355
• B)3.169
• C)2.896
• D)2.764

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Definitions:

SML

Stands for the Security Market Line, which represents the expected return of a market portfolio as a function of systematic, or market, risk.

Risk-Free Rate

The theoretical rate of return of an investment with no risk of financial loss.

Portfolio Beta

Portfolio Beta is a measure of the overall systematic risk of a portfolio of investments relative to the market as a whole.

Exchange-Traded Fund

An Exchange-Traded Fund (ETF) is a type of investment fund and exchange-traded product, the shares of which are traded on stock exchanges.