vorking in groups of four came up with 10 different measurements as follows: 920.45, 921.05, 921.65, 920.25, 920.15, 921.85, 921.95, 92 21.15, and 921.35 meters. Assume these values are equally reliable and that variations result only from accidental errors. Determine the P error of the mean measurement O 0.1438 O 0.1437 O 0.1435 0.1436

Structural Analysis
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Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A surveying instructor sent all the 40 students in his class out to measure a distance between two points marked on a runway. The students
working in groups of four came up with 10 different measurements as follows: 920.45, 921.05, 921.65, 920.25, 920.15, 921.85, 921.95, 920.45,
921.15, and 921.35 meters. Assume these values are equally reliable and that variations result only from accidental errors. Determine the Probable
error of the mean measurement
O 0.1438
O 0.1437
O 0.1435
0.1436
Transcribed Image Text:A surveying instructor sent all the 40 students in his class out to measure a distance between two points marked on a runway. The students working in groups of four came up with 10 different measurements as follows: 920.45, 921.05, 921.65, 920.25, 920.15, 921.85, 921.95, 920.45, 921.15, and 921.35 meters. Assume these values are equally reliable and that variations result only from accidental errors. Determine the Probable error of the mean measurement O 0.1438 O 0.1437 O 0.1435 0.1436
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