CORRELATIOlSr AS APPLIED TO FARM-SURVEY DATA. 

 Table III. — Correlation coefficients. 



Profit (p) and ■ 

 "Weight (.w). 



Profit (p) and 

 Value per hun- 

 dredweight (w). 



Profit (p) and 

 Value of feed (/). 



Profit (p) and 



Cost at weaning 



time (c). 



Profit (p) and 

 Date of Sale (d). 



Tpw -1-0.28 



Tpv 4-0. 23 



rpf -0.27 



rpo -0.73 



rpd 4-0. 14 



Tpw.v -1- .18 

 rpw.f + .50 

 Tpw.o + .48 

 Tpw.d + .24 



rpv.w 4- .10 

 rpv.f 4- .56 

 rpv.o 4- .25 

 rpv.d 4- .19 



Tpf.w - .50 

 rpf.v - .58 

 rpf.o - .38 

 rpf.d - .37 



Tpo.w - .78 

 rpcv - .73 

 rpc.f - .75 

 rpc.d - .73 



Tpd.w — .03 

 rpd.v .00 

 rpd.f 4- .29 

 Tpd.o 4- .16 



Tpw.vf + .39 

 r,.w.vc + .43 

 rp„..vd 4- .20 

 rpw.fo + .85 

 rpvv.td 4- .43 

 rpw.cd -t- .49 



rpv.wf 4- .48 

 rpv.wo - .04 

 rpv.ud 4- .12 

 Tpv.fo 4- .71 

 rpv.fd 4- .50 

 rpv.od 4- .18 



rpf.wv - .64 

 rpf.wc - .83 

 rpf.vvd — .50 

 rpf.vo - .74 

 Tpf.vd — .58 

 Tpf.cd - .50 



rpc.wv — .78 

 rpo.wf - .92 

 Tpc.wd — .79 

 rpc.vf — .83 

 rpc.vd - .73 

 Tpc-fd — .77 



rpd.wv — .08 

 rpd.wf 4- .06 

 rpd.wo - .18 

 rpd.vf 4- .02 

 rpd.vc 4- .02 

 rpa.fo 4- .38 



Tpw.vfo 4- .91 

 Tpw.vfd 4- .42 

 ipw.vcd 4- .46 

 rpw.fcd 4- .83 



rpv.wfo 4- .83 

 rpv.wfd 4- .49 

 rpv.wod 4- 04 

 rpv.fcd 4- .65 



Tpf.wvo - .95 

 rpf.wvd — .65 



Tpf.wcd — .83 

 Tpf.vcd — .74 



Tpc.wvf — .97 

 rpo.wvd - .79 

 rpc.wtd - .92 

 rpc.vfd - .83 



rpd.wvf — .15 

 rpd.wvo — .19 

 rpd.wfo — .10 

 rpd.vfo 4- .06 



Tpw.vfod 4- .97 



rpv.wfcd 4- .94 



rpt.wvod - .98 



Tpo.wvfd - .98 



rpd.wvfo 4- .77 



Weight (lo) and 

 Value per hun- 

 dredweight (u). 



Weight (w) and 

 Value of feed (/). 



Weight (w) and 



Cost at weaning 



time (c). 



Weight (iv) and 

 Date of sale (d). 



Value per hun- 

 dredweight (v) 

 and Value of 

 feed (/). 



rwT 4-0.56 



rwf 



4-0.51 



rwo 4-0.07 



rwd 



4-0.60 



rvf 4-0. 65 



rwv.p 4- .53 

 Twv.f 4- .35 

 r„v.o 4- 57 

 rwv.d 4- .31 



Twf.p 

 Twf.v 



rwf.c 

 rwf.d 



4- .63 

 4- .23 

 + .51 

 4- .36 



rwcp 4- .42 

 rwo.v 4- .15 

 rwc.f 4- .08 

 rwcd 4- .12 



rwd.p 

 rwd.v 

 rwd.f 

 rwd.o 



4- .59 

 4- .39 

 4- .49 

 + .60 



ivf.p 4- .76 

 Tvf.w 4- .51 

 Tvf.o 4- .66 

 rvf.d 4- .55 



rwv.pf + .10' 

 Twv.po 4- .53 

 r„v.pd 4- .28 

 Twv.fo 4- .36 

 rwv.fd 4- .14 

 rwv.cd 4- .32 



rwf.pv 

 rwf.pc 

 rwf.pd 

 rwf.vo 

 rwf.vd 

 rwf.od 



4- .42 

 4- .86 

 4- .50 

 4- .22 

 4- .24 

 4- .36 



rwcpv 4- .42 

 Twcpf 4- .81 

 Twcpd 4- .45 

 rwc.vf 4- .13 

 rwcvd 4- .16 

 r„o.fd 4- .12 



rwd.pv 



rwd.pf 

 rwd.po 

 rwd.vf 



Twd.vo 

 rwd.fc 



4- .40 

 + .42 

 + .61 

 4- .39 

 4- .39 

 4- .50 



rvf.pw 4- .65 

 rvf.po 4- .84 

 rvf.pd 4- .68 

 rvf.wo 4- .52 

 rvf.wd 4- .50 

 Tvf.od 4- .56 



Twv.pfo — .67 

 Twv.pfd - .09 

 Twv.pcd 4- .27 

 Twv.fcd 4- .16 



rwf.pvc 



r.wf.pvd 

 Twf.pcd 

 Twf.vcd 



4- .88 

 4- .44 

 4- .80 

 4- .22 



Twti.pvf 4- .89 

 rwcpvd -f .45 

 rwcpfd 4- .79 

 rwc.vfd 4- .14 



rwd.pvf 

 rwd.pvo 



rwd.pfo 

 Twd.vfo 



4- .42 

 -1- .43 

 4- .36 

 4- .40 



rvf.pwo 4- .88 

 rvf.pwd + .65 

 rvf.pcd 4- .77 

 rvf. wed 4- .50 



rwv.pfcd — .90 



rwf.pvcd 



4- .97 



Two.pvfd 4- .96 



rwd.pvfc 



4- .81 



Tvf.pwcd + .97 



Value per hun- 

 dredweight (v) 

 and Cost at wean- 

 ing time (c). 



rvc -0.09 



rvc.p 4- .12 



rvo.w - .16 



rvo.f - .13 



rvc.d - .08 



rvo.pw - .14 



rvo.pf + .54 



rvcpd 4- .08 



rvc.wf - .17 



rvcwd - .13 



rvcfd - .12 



Tvcpwf 4- .77 



rvcpwd — .05 



rvcpfd 4- .49 



rvcwfd - .14 



rvc.pwfd 4- .90 



Value per hun- 

 dredweight (v) 

 and Date of 

 sale (d). 



Tvd 



4-0.61 



Tvd.p 4- .60 



rvd.w 4- .41 



rvd.f 4- .49 



rvd.c 4- .61 



Tvd.pw 4- .42 



rvd.pf -I- .41 



rvd.po 4- .59 



rvd.uf 4- .39 



rvd.wo 4- .40 



rvd.fc -I- .48 



rvd.pwf 4- .41 



rvd-pwo 4- .40 



rvd.pfo + .33 



rvd.wfo 4- .38 



rvd.pwf c 4- .81 



Value of feed (/) 



and Cost at 

 weaning time (c). 



rto 



4-0.01 



Tfc.p - .28 



rfcw - .03 



Tfc.v 4- .10 



rfo.d 4- .04 



rfc.pw - .79 



rfo.pv — .58 



rfc.pd — .37 



rfcwv 4- .07 



rfo.wd - .01 



rfo.vd 4- .10 



rfc.pwv - .92 



rfc.pwd - .77 



rfc.pvd — .58 



rfc.wvd 4- .06 



rfo 



vd - .96 



Value of feed (/) 



and Date of 



sale (d). 



rfd.p 

 rfd.w 



Tfd.v 

 Tfd.o 



Tfd.pw 

 Tfd.pv 

 Tfd.po 



rfd.wv 



Tfd.wc 



rfd.vc 



rfd.p 



Tfd.p 

 Tfd. 



rfd 



pvc 



4-0 42 



4- .48 



4- .16 



4- .03 



4- .42 



4- .17 



4- .04 



4- .53 



- .07 

 4- .16 

 4- .03 



- .15 

 4- .01 

 4- .07 



- .06 



rfd.pwvo 



Cost at weaning 



time (c) andDate 



of sale (dy. 



Tod 



-0.04 



rcd.p 4- .09 



rcd.w — .11 



rcd.v 4- .02 



rcd.f - .05 



rcd.pw - .21 



rcd.pv 4- .03 



rcd.pf 4- .27 



Tcd.wv — .05 



rcd.wf — .10 



rcd.vt 4- .01 



Tcd.pwv — • 18 



Tcd.pwf — . 13 



rcd.pvf 4- .06 



rcd.wvf ^ .04 



Tcd.pwvf • 7o 



