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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. STDEV estimates the standard deviation of breaking strengths for all the parts. The sample values are provided in the STDEV function as follows:
SET$=
0
1 "Strength"
"1" 1465
"2" 1421
"3" 1457
"4" 1428
"5" 1416
"6" 1477
"7" 1422
"8" 1452
"9" 1412
"10" 1409
STDEV(SET$, 1, "Strength") returns 24.52
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