OC —----— + + 7 @ UNEXPOSED 50 — | 9 COMBINED EXPOSED 120.7429" * go— 6 / 70— Go | .| yl 0 COMBINED 2 EXPOSEL ro? 20 7028*" yt-2720 +0896. sol i . TT ® UNEXPOSED 2 | ° 60— 90 / y2 26.575 -20462+0,03927 | 675 4 31 70 / 25 :/ o8 as 3 PERCENT 50— SECONDS PERCENT 100 190 | . — 255 40—- to- | — 20 22.5 20-—- 1O— Oo i | ns * CORRELATION WITH AGE SIGNIFICANT AT I% LEVEL _. € 30 A 40 i 50 4. 60 AGE 70 i 80 90 { | IO be | *#* CORRELATION WITH AGE SIGNIFICANT AT 1% LEVEL | ol lo | 30 40 - go— we peaae = EXPOSED & YNEXPOSED BO~ 70 —~— .4 i 9 : | 2 COMBINED WiTh STANDARD © o.erzes y:-61GI7 + 21794 ~=—-60 AGE 70 80 | Lia 90 FOO TT I Tt : ERROR MEANS 50 i pt Figure 35. Skin looseness. Figure 34. Skin retraction. oo: ] I é wif 3 Or || UNEXPOSED Oo EXPOSED Cc COMBINED 70,8295 * y?- 18.856 +0 0481+ 00217 80 + io? ® 43+ ‘| 50 — 2+ iO 3 PERCENT PERCENT 60— =a Be 40-~- O 30 — 10. 20 a ~ ou nt on é fe eo 28 / é / 9 poe aC . a0 2 50 ae 6C AGE 1 ' be a ee 79 Figure 36. Hair grayness 80 — 90 | + 8 1Qe- # » CORRELATION WITH AGE SIGNIFICANT AT I% LEVEL fe oe a 1+ 9 * CORRELAT'ON WITH AGE SIGNIFICANT AT 8% LEVEL c : gOa ee 30 40 50 60 AGE 7 80 Figure 37. Arcus senihs (1964). 90