A regional planner employed by a public university is studying the demographics of nine counties in...

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A regional planner employed by a public university is studyingthe demographics of nine counties in the eastern region of anAtlantic seaboard state. She has gathered the following data:
ounty Median Income Median Age Coastal
A $ 48,952 48.3 1
B 46,669 58.8 1
C 47,780 48.0 0
D 46,855 39.2 1
E 37,724 51.9 1
F 35,414 56.2 1
G 34,389 49.1 0
H 38,128 30.3 0
I 30,384 38.9 0
Include the aspect that the county is \"coastal\" or not in amultiple linear regression analysis using a \"dummy\" variable.(Negative amounts should be indicated by a minus sign.Round your answers to 2 decimal places.)
Income= _ + Median Age +__ Coastal
Test each of the individual coefficients to see if they aresignificant. (Negative amounts should be indicated by aminus sign. Leave no cells blank - be certain to enter \"0\" whereverrequired. Round your answers to 2 decimal places.)
PredictorÂ Â tÂ Â p-value
ConstantÂ Â Â Â Â
Median AgeÂ Â Â Â Â
CoastalÂ Â Â Â Â

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3.9 Ratings (366 Votes)

headdf MedianIncome MedianAge Coastal 1 9 483 1 2 6 588 1 3 8 480 0 4 7 392 1 5 4 519 1 6 3 562 1 dfCoastal factordfCoastal dfMedianIncome asintegerdfMedianIncome See Answer

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ounty	Median Income	Median Age	Coastal
A	$	48,952		48.3	1
B		46,669		58.8	1
C		47,780		48.0	0
D		46,855		39.2	1
E		37,724		51.9	1
F		35,414		56.2	1
G		34,389		49.1	0
H		38,128		30.3	0
I		30,384		38.9	0