In order to estimate the difference between the average mortgages in the southern states and the northern states, the following information was gathered.
a.Compute the degrees of freedom for the t distribution.
b.Develop an interval estimate for the difference between the average of the mortgages in the South and North. Let alpha 0.05.
Definitions:
Silicon Coating
A layer of silicon applied over materials to protect them from damage by heat, corrosion, or electrical conductivity.
Gel Separator
A material used in blood collection tubes that separates blood cells from serum or plasma after centrifugation.
Clot Activator
A substance used in blood collection tubes that encourages blood clotting, facilitating serum separation for testing.
Potassium Oxalate
A chemical compound used as an anticoagulant in blood collection tubes, as well as in certain bleaching and cleaning processes.
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