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In R . . . Use the right to work laws data set Download right to work laws data setfor this problem. The code here

In R...
Use the right to work laws data set Download right to work laws data setfor this problem. The code here Download code herehas more details about the data set and some prompts to help you get started with this problem.
a) How many observations are in the data set?
b) What is the mean of COL?
c) Regress COL on PD, URate, Taxes, and Income. What is the R2 value for the regression?
(d) What is the estimated change in cost of living associated with a one unit increase in population density?
(e) Test the hypothesis that the coefficient on Taxes=0. What is the p-value?
Data Set:
City COL PD URate Pop Taxes Income RTWL
Atlanta 16941413.61790128512829611
Austin 14323911396891430317111
Bakersfield 3394323.7349874416621220
Baltimore 173951212147850500146540
Baton Rouge 9925516411725396516201
Boston 363125724.43914071492856340
Buffalo 25383439.21326848447172130
Champaign-Urbana 11716231.5162304481355350
Cedar Rapids 29422918.2164145483972241
Chicago 291188631.57015251540861130
Cincinnati 17064329.51381196463748060
Cleveland 239129529.51966725513864320
Dalas 174302112527224492323631
Dayton 18348929.5835708478756060
Denvar 22730415.21413318538659820
Detriot 255113034.64424382524662750
Green Bay 24932327.8169467428982140
Hartford 32669621.91062565513462350
Houston 194337112286247508412781
Indianapolis 25137129.31138753483756990
Kansas City 201386301290110505248680
Lancaster, PA 12436234.2342797437752050
Los Angeles 340171723.76986898528113490
Milwaukee 32896827.81409363517676350
Minneapolis, St. Paul 26543324.42010841520683920
Nashville 12018317.7748493445435781
New York 323690839.29561089526048620
Orlando 11723011.758266446137821
Philadelphia 182135334.24807001487751440
Pittsburgh 16976234.22322224467759870
Portland 26720123.1228417412375110
St. Louis 184480302366542472148090
San Diego 25637223.71584583483714580
San Francisco 381126623.73140306594030150
Seattle 19533333.11406746541644240
Washington 2051073213021801640442240
Wichita 20615712.8384920479646201
Raleigh-Durham 1263026.5468512461433931

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