Instruction 10-4
a Real Estate Company Is Interested in Testing $\quad \bar { X } _ { \mathrm { G } } = 35$

question 79

Multiple Choice

Instruction 10-4
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: $\quad \bar { X } _ { \mathrm { G } } = 35$ months, $\quad S _ { \mathrm { G } } ^ { }² = 900$
Metropolis: $\quad \bar { X } _ { M } = 50$ months, $\quad S _ { M ^ { 2 } } = 1,050$
-Referring to Instruction 10-4,suppose ? = 0.10.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:

Decision-making Authority

The power or right vested in an individual or body to make choices and implement decisions.

Political Influence

The capacity or power of individuals or groups to alter or control the actions, policies, or decisions of political leaders or governments.

Intragenerational Mobility

Is social mobility that occurs within a single generation.

Structural Mobility

Refers to the social mobility that results from changes in the distribution of occupations.