58 . BULLETIN 1300, U. S. DEPARTMENT OF AGBICULTURE 
Table 12. — Multiple regression equations — Continued 
Summer Weight 
Per cent 
Corncrops D=+0.32C -0. 13 C" -0.31C" 24 
Comprices D=-0.50P' +0. 16 P" +0. 16P'"_. 31 
Crops and summer weights D=+0.3lC -0. 58 D" 47 
Corn price and summer weights D=— 0.43P' — 0. 55 D" 55 
Corn price, winter cost D=-0. 77.P' +0. 64 W' 60 
Corn price, winter cost ---Vn= -0 65 P' 4-0 44 W -0 27 G' 
Winter slaughter _f u a b0 * +u. 44 w u. z, Lr 
Winter Weight 
6S 
Corncrops E=+0.61C -0. 09 C -0. 06 C" -0. 29 C " 49 
Corn prices E=-0.66P +0. 14 P' -0. 11 P" +0. 22 P'" 47 
Crops and summer weight.. E= +0. 57 C +0. 38 D 55 
Crop, summer weight, summer pack... E= +0.52 C +0. 39 D -0. 21 F 59 
Summer Pack 
Corncrops F= +0. 71 C +0. 40 C" +0. 33 C " 57 
Cornprices F=-0.61P' -0. 25 P" -0.38P'" 57 
Crop and summer weights F=+0.57C +0. 36 D' +0.29D"„. 59 
Winter Pack 
Corncrops G=+0.03C +0. 31 C +0. 49 C" 27 
Cornprices G= +0. IIP -0. 29 P' -0. 49 P" 37 
Crops and summer weight G= +0. 12 C +0. 19 C" +0. 69 D' 64 
Corn price, winter cost G= -0. 67 P" +0. 38 W" 39 
Weights G= +0. 17 E' +0. 64 D' +0. 26 E" 67 
Summer Pork 
Corncrops H= +0. 75 C +0. 43 C" 4-0. 32 C" 62 
Cornprices H=-0.74P' -0. 26 P" -0.40P'" 76 
Crops and summer weight H= 4-0. 58 C 4-0. 42 D' 4-0. 16 D" 61 
Corn price, summer cost H=-0.72P' -0. 37 S" 66 
Winter Pork 
Corncrops 1=4-0. 25 C 4-0. 40 C 4-0. 49 C" 32 
Cornprices.. I=-0.08P -0. 37 P' -0.49P" 41 
Crops and summer weight 1= 4-0. 15 C +0. 13 C" 4-0. 76 D ' 72 
Weights 1=4-0. 07 E' 4-0. 77 D' 4-0. 14 E" 71 
Table 13. — Multiple regression equations involving contemporary variables 
[The symbols have the same significance as those in Table 12] 
Corn Crop 
Per cent 
Acreage, yield C= 4-0.34 A 4-0.81 Y... 87 
Corn Price 
Acreage, yield P= -0.21 A -0.73 Y 64 
Summer Hog Price 
Summer pork, winter pork: 
Preceding S= -0.58 H -0.23 1' 45 
Following S=-0.47H -0.25 1 44 
Both S= -0.19 1' -0.46 H -0.201 47 
Winter Hog Price 
Winter pork, summer pork: 
Preceding W= -0.69 I 4-0.01 H 47 
Following W= -0.62 1 -0.27 H 54 
Summer Pork 
Summer pack and weight H=+0.96F 4-0.19 D 95 
Winter Pork 
Winter pack and weight 1= +0.96 G +0.25 E 90 
