Consider the following regression results based on 30 observations. 
= 238.33 - 0.95x1 + 7.13x2 + 4.76x3; SSE = 3,439 
= 209.56 - 1.03x1 + 5.24(x2 + x3); SSE = 3,559
A) Formulate the hypotheses to determine whether the influences of x2 and x3 differ in explaining y.
B) Calculate the value of the test statistic.
C) At the 5% significance level, find the critical value(s).
D) What is your conclusion to the test?
Definitions:
Marginally Attached Workers
Individuals not in the labor force who want and are available to work but have not searched for a job in the past 4 weeks, hence are not counted as unemployed in labor force statistics.
Economic Reasons
Factors or motivations grounded in economics that explain certain behaviors, decisions, or trends.
Interest Rate
The percentage charged by a lender to a borrower for the use of assets, expressed as a percentage of the principal.
Project Cost
The total financial expenditure incurred in the planning, execution, and completion of a project.
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