Table XT,.— Continued. 



1 975 Sandworms 



Probability Sampling Expansions 



Ratios of 2 Variables 



1975 



Total 



Catch i 

 Pounds 



Total 

 i Catch in 



Numbers 



Total 

 Value of 

 Catch in 



Dol lars 



Total 

 No. of 

 Digger- 



Tides 

 Dug 



Total 

 No. of 

 Di gger- 



Hours 

 Dug 



Total Worm 

 Catch in 



Number/Di g- 

 ger Tide 



Total Catch 



in Numbers/ 



Digger 



Hours 



Total 

 Catch in 

 Pounds/ 

 Digger 



Tide 



Total 

 Catch in 

 Pounds/ 

 Digger 



Hours 



Apri 1 



22,126 

 ±13,695 



1 ,036,292 

 ± 653,061 



29,346 

 ± 18,193 



1,830 

 ±1 ,190 



2,441 

 ± 1,506 



587 

 ± 39 



421 

 ± 29 



12.73 

 ±1.45 



9.14 

 ± .19 



May 



153,137 

 ±83,385 



12,051,848 

 ±6,578,737 



346,453 

 ±189,807 



9,471 

 ±4,702 



19,222 

 ±10,568 



1,279 

 ±335 



692 

 ± 71 



16.25 



±4.16 



8.79 

 ± .90 



June 



50,171 

 ±32,697 



4,198,075 

 ±2,704,852 



118,728 

 ± 75,205 



2,898 

 ±1,932 



5,445 

 ± 3,384 



1 ,506 

 ± 32 



761 

 ±119 



17.88 

 ± .12 



9-03 

 ±1.66 



July 



64,853 

 ±'(6,772 



6,227,183 

 ±4,554,999 



171 ,249 

 ±125,262 



5,597 

 ±3,955 



11,332 

 1 8,690 



1,053 

 ± 89 



545 

 ± 50 



11 .06 

 ± .64 



5.73 

 ± .66 



Aug. 



26,593 

 ±11,237 



2,251 ,568 

 ± 940,503 



65,935 

 ± 27,781 



2,457 

 ±1,134 



4,903 



± 2,144 



916 

 ±155 



459 

 ± 45 



11.18 

 ±1.99 



5-60 



± .36 



Sept. 



18,194 

 ±14, 700 



1,007,903 

 ± 756,806 



29,851 

 ± 22,714 



1 ,150 

 ± 834 



2,404 

 ± 1,847 



877 

 ± 51 



419 

 ± 16 



15.83 

 ±2.82 



7.57 

 ± .62 



Totals 



335,075 

 ±103,633 



26,772,867 

 ±8,557,325 



761,562 

 ±242,882 



23,402 

 ±6,699 



45,746 

 ±14,455 



1 ,051 

 ± 67 



558 

 ± 28 



14.16 

 ± -93 



7.65 

 ± -37 



1 976 Sandworms 



Probability Sampling Expansions 



Ratios of 2 Variables 



1976 



To ta 1 To ta 1 

 Catch in Catch in 

 Pounds Numbers 



Total 

 Value of 

 Catch in 



Dol lars 



Total 

 No. of 

 Digger- 



Tides 

 Dug 



Total 

 No. of 

 Di gger- 



Hours 

 Duq 



To ta 1 Wo rm 

 Catch in 



Number/Dig- 

 qer Tide 



Total Catch 



in Numbers/ 



Digger 



Hours 



Total 



Catch in 



Pounds/ 



Di gger 



Tide 



Total 



Catch in 



Pounds/ 



Di gger 



Hours 



April 



8,315 

 ± 7,716 



615,672 

 ± 571,319 



18,470 

 ± 17,140 



734 

 ± 681 



1 ,102 

 ±1,022 



838 



559 



+ _ 



11.32 



+ - 



7-55 



May 



61,223 

 ±31,447 



4,167,900 

 ±2,168,487 



116,970 

 ± 59,382 



3,600 

 ±1,674 



7,161 

 ±2,714 



1 ,126 

 ±153 



533 

 ±109 



16.60 

 ±2.39 



7-85 

 ±1.52 



June 



65,004 

 ±54,839 



4,441,554 

 ±3,634,273 



135,375 

 ±110,857 



3,229 



±2,699 



5,654 

 ±4,651 



1,469 

 ± 75 



822 

 ± 2 



20.72 



± .99 



11-59 

 ±1.17 



July 



192,101 

 ±77,777 



15,169,140 

 ±5,933,135 



474,884 

 ±180,290 



10,458 

 ±3,949 



23,247 

 ±8,611 



1,384 

 ± 95 



614 

 ± 68 



17.13 

 ±1.03 



7.61 

 ± .87 



Aug. 



20,577 

 ±12,158 



1,423,860 

 ± 826,382 



46,276 

 ± 26,863 



1,596 

 ± 940 



3,819 

 ±2,253 



881 

 ±136 



368 

 ± 59 



12.76 

 ±3.96 



5-33 

 ±1.69 



Sept. 



61,970 

 ±25,811 



6,318,333 

 ±2,613,942 



194,715 

 ± 80,676 



4,533 

 ±1,869 



9,834 



±4,127 



1,356 



± 41 



626 



± 40 



13.56 

 ±2.87 



6.26 

 ±1.67 



Totals 



409,189 

 ±104,494 



32,136,459 

 ±7,807,329 



986,690 

 ±236,314 



24,151 

 ±5,525 



50,817 

 ±11 ,239 



1,184 

 ± 38 



592 

 ± 22 



15-40 

 ± .92 



7.73 

 ± .52 



41 



