PEC EPE Mechanical Practice Questions - PEC Engineering Practice Examination - Mechanical Engineering & Allied Disciplines (Part-II) Exam

A sample of five tensile strengths (MPa) is 200, 210, 220, 230, 240. What is the sample standard deviation (n−1)?

15.81 MPa 14.14 MPa 20.00 MPa 10.00 MPa

Correct Answer:

15.81 MPa

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