A recent study focused on the amount of money single men and women save monthly. The information is summarized next. Assume that the population standard deviations are equal. 
At the .01 significance level, do women save more money than men? What is the value of the test statistic for this hypothesis test?
Definitions:
Trade Surplus
A situation where a country's exports exceed its imports over a given period.
Sovereign Country
An independent state that possesses full self-government and is not controlled by another state.
Porter's Diamond Model
A framework for analyzing the competitive advantage nations or regions possess due to four key factors: factor conditions, demand conditions, related and supporting industries, and firm strategy, structure, and rivalry.
Competitive Potential
Refers to the capacity of a company or industry to compete effectively in the market and expand its market share.
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