Instruction 10-3
a Real Estate Company Is Interested in Testing $\quad \bar { X } _ { G } = 35$

question 138

Multiple Choice

Instruction 10-3
A real estate company is interested in testing whether the mean time that families in Gotham have been living in their current homes is less than families in Metropolis. Assume that the two population variances are equal. A random sample of 100 families from Gotham and a random sample of 150 families in Metropolis yield the following data on length of residence in current homes.
Gotham: $\quad \bar { X } _ { G } = 35$ months, $S _ { G } { } ^ { 2 } = 900$
Metropolis: $\quad \bar { X } _ { M } = 50$ months, $\quad S _ { M ^ { 2 } } = 1,050$
-Referring to Instruction 10-3,suppose $\alpha$ = 0.01.Which of the following represents the result of the relevant hypothesis test?

• A) The alternative hypothesis is rejected.
• B) The null hypothesis is rejected.
• C) The null hypothesis is not rejected.
• D) Insufficient information exists on which to make a decision.

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Definitions:

Money Market Mutual Funds

Investment funds which gather capital from investors to buy short-term, low-risk securities such as Treasury bills and commercial paper.

M1

A category of the money supply that includes all physical money, such as coins and currency, as well as demand deposits, checking accounts, and negotiable order of withdrawal (NOW) accounts.

M2

A measure of the money supply that includes cash and checking deposits (M1) as well as near money, such as savings deposits, money market securities, and time deposits.

Federal Reserve

The central banking system of the United States, responsible for nation's monetary policy, financial regulation, and stability of the financial system.