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2、v al F r ( 270 - 2 285 - 9 300 - 11 104 01 19. 0 315 - 22 228813 420 - 435 1 T ot =150 524 70. 0 =18518 7 38 . 0 )/( 4 7 02.271.m o (2) -4)lg(lg) (3) of to in on : (7 20,123,125,127,128,130,132127: (8 18,120,123,125,127,128,130,132125+127)/2=1%50308(9525)%50(? 05050 n 176 0L ?5050 P 75 ab l e 9 - 5
3、F r eq ue nc y t ab l e o f u r i ac i d f ch i l dr u n de r 6 y ea r s o l d U r i l e a d ( m m L ) ( 1) F r eq ue nc y f ( 2) C um ul a t i v e f r eq ue nc y f ( 3) C um ul a t i v e r el at i v e f r eq ue nc y ( 4 ) =( 3) / n 0 - 27 27 8. 77 25 - 54 81 26 50 - 95 176 57 75 - 55 231 75 175 - 5
4、 308 10 0. 0 T ot 308 ( 10 /L)30 in a 0 /L)051015202530ug/g) 38 ug/g)010203040506070ow to 25?on on to 75?on on to to to of ) on it of 2) 25 75 7%25308(54252525 76%75308(55257575 PT ab l e 9 - 5 F r eq ue nc y t ab l e o f u r i ac i d f ch i l dr u nd 6 y ea r s o l d U r i l ea d ( m m L ) ( 1) F r
5、 eq ue nc y f ( 2) ul at i v e f r eq ue nc y f ( 3) ul at i v e r el at i v e f r eq ue nc y ( 4) =( 3) / n 0 - 27 27 8. 77 25 - 54 81 26 50 - 95 176 57 75 - 55 231 75 175 - 5 308 10 0. 0 T ot 30 8 ( (3)he of SD) 22 )( 1)(1)(2222 2he of ) .)222212(1212 0 s(2)(4)of of ( 1 ) S t a n d a r d d e v i a t i o n ( 2 ) Co e f f i c i e n t o f V a r i a t i o n ( % ) ( 3 ) =( 2 ) / ( 1 ) He i g h t 1 7 1 ( c m ) 5 ( c m ) 3 W e i g h t 59. 72 ( k g ) 4 ( k g ) 6
