50 
BULLETIN 1400, U. S. DEPARTMENT OF AGRICULTURE 
Since the regressions obtained by this analysis are curvilinear, 
they can not be shown as regression coefficients, but must be given 
either in tables or graphically. 
VALUE ADDED TO CHESTER COUNTY FARMS BY DWELLINGS 
OF VARIOUS VALUES, BY SIZE OF FARM 
DDF.D IN 
OLLARS 
Farms of over 
6.000 
60 acres 
____ 
•.__—-— 
Farms of less 
than 30 acres .• 
X.«*' Farms of 3S 
to 40 acres 
y'\ .'-t^ i ^^ 
y^ 
4.000 
S 
2.000 
n - 
/ 
if'/ 
/ 
,'?^~~Fa, 
/ to 
ms of 50 
55 acres 
// 
2,000 4.000 6.000 8,000 10.000 12,000 14.000 16.000 18,000 
VALUE OF DWELLINGS IN DOLLARS 
Fig. 9. — The more expensive the dwelling, the smaller the part of its value represented in farm value 
Tables 41 to 48 list these regressions, and they are also shown 
graphically in Figures 9 to 11. 
Table 41. — Value added to Chester County farms by dwellings of various values, 
for farms of various sizes 
Value added to land value 
l 
Value of dwelling, in dollars 
Farms 
under 30 
acres 
Farms of 
35 to 40 
acres 
Farms of 
50 to 55 
acres 
Farms of 
over 60 
acres 
500 
Dollars 
1, 250 
1,950 
2,600 
3, 050 
3,550 
4,000 
4, 750 
5,250 
Dollars 
775 
1,450 
1,925 
2, 375 
2, 750 
3, 250 
3,900 
4,450 
Dollars 
550 
950 
1,350 
1,655 
2,000 
2, 325 
2,950 
3,400 
4,000 
Dollars 
500 
1,000 
850 
1,500 
1, 175 
2,000... 
1,500 
2,500.. 
1,825 
3,000... 
2, 150 
4.000 . 
2,750 
5,000. 
3,250 
6,000 - 
3, 750 
8,000 
4,650 
10,000 
5,310 
12,000. 
5, 680 
14,000 
5, 910 
10,000 
6,060 
18,000 

6, 170 
1 Average value without dwelling, $86.75 per acre, other factors being at their average value. 
'Fable 41 shows the relation between the value of the dwellings on 
these farms, as estimated by the farmers, and the estimated sales 
values. Figure 9 shows the same data graphically. 
