"Figure  1 PIERS Data: Weight Length Frequency Distribution
",,,
,Observed,Estimated,
12 to 475,68.85,65.97,
476 to 769,7.24,8.53,
"770 to 1,015",5.85,7.56,
"1,016 to 1,255",5.16,5.63,
"1,256 to 1,515",4.98,4.96,
"1,516 to 1,896",2.11,2.59,
"1,897 to 2,330",1.09,0.87,
"2,331 to 2,843",3.03,2.63,
"2,844 to 3,476",1.52,1.17,
"3,477 to 7,688",0.02,0.03,