Your textbook has emphasized that testing two hypothesis sequentially is not the same as testing them simultaneously. Consider the following confidence set below, where you are testing the hypothesis that H0 : β5 = 0, β6 = 0. 
Your statistical package has also generated a dotted area, which corresponds to drawing two confidence intervals for the respective coefficients. For each case where the ellipse does not coincide in area with the corresponding rectangle, indicate what your decision would be if you relied on the two confidence intervals vs. the ellipse generated by the F-statistic.
Definitions:
Marginal Benefits
The additional satisfaction or utility gained from consuming or producing one more unit of a good or service.
Proposed Tax
A proposed tax is a tax plan or suggestion that is being considered for implementation but has not yet been enacted.
Recreation Center
A facility intended for recreational activities, sports, and other leisure activities.
Trading of Votes
The exchange of votes among legislators or members of a voting body to ensure mutual support for their respective proposals or interests.
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