Housing Values in Suburbs of Boston Harrison and Rubinfeld, proportion of residential land zoned for lots over 25,000 sq.ft.

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

DATA SET

Housing Values in Suburbs of Boston (Harrison and Rubinfeld, 1978)

Here are the variables:

Crim: Per capita crime rate by town.

Zn: proportion of residential land zoned for lots over 25,000 sq.ft.

Indus: proportion of non-retail business acres per town.

Chas: Charles River dummy variable (= 1 if tract bounds river; 0 otherwise).

Nox: nitrogen oxides concentration (parts per 10 million).

Rm: average number of rooms per dwelling.

Age: proportion of owner-occupied units built prior to 1940.

Dis: weighted mean of distances to five Boston employment centres.

Rad: index of accessibility to radial highways.

Tax: full-value property-tax rate per $10,000.

Ptratio: pupil-teacher ratio by town.

Black:  where  is the proportion of blacks by town.

Lstat: lower status of the population (percent).

Medv: median value of owner-occupied homes in $1000s.

DESCRITPTIVE STATISTICS 

	Min.	1st Qu.	Median	Mean	3rd Qu.	Max.
crim	0,00632	0,08205	0,25651	3,61352	3,67708	88,97620
zn	0,00000	0,00000	0,00000	11,36364	12,50000	100,00000
indus	0,46000	5,19000	9,69000	11,13678	18,10000	27,74000
chas	0,00000	0,00000	0,00000	0,06917	0,00000	1,00000
nox	0,38500	0,44900	0,53800	0,55470	0,62400	0,87100
rm	3,56100	5,88550	6,20850	6,28463	6,62350	8,78000
age	2,90000	45,02500	77,50000	68,57490	94,07500	100,00000
dis	1,12960	2,10018	3,20745	3,79504	5,18843	12,12650
rad	1,00000	4,00000	5,00000	9,54941	24,00000	24,00000
tax	187,00000	279,00000	330,00000	408,23715	666,00000	711,00000
ptratio	12,60000	17,40000	19,05000	18,45553	20,20000	22,00000
black	0,32000	375,37750	391,44000	356,67403	396,22500	396,90000
lstat	1,73000	6,95000	11,36000	12,65306	16,95500	37,97000
medv	5,00000	17,02500	21,20000	22,53281	25,00000	50,00000

 CORRELATION TABLE

 

crim	-0,3883
zn	0,3604
indus	-0,4837
chas	0,1753
nox	-0,4273
rm	0,6954
age	-0,3770
dis	0,2499
rad	-0,3816
tax	-0,4685
ptratio	-0,5078
black	0,3335
lstat	-0,7377
medv	1

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