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Suppose 10 engine parts made by the same machine during a production run are collected as a random sample and measured for breaking strength. SUM determines the sum opf all breaking strength values:

SET$= 
0 
1 "Strength" 
"1"  1465 
"2"  1421 
"3"  1457 
"4"  1428 
"5"  1416 
"6"  1477 
"7"  1422 
"8"  1452 
"9"  1412 
"10" 1409

SUM(SET$, 1, "Strength") returns 14359

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