8.Given E(x,-)-78 and N= 80, then the population standard deviation, a, isapproximatelyO a) 0.975O b) 0.987O0.994Od) 0.110SAMSUNG

Given, Σ(xi-μ)2=78 and N=80 We have to find population standard deviation σ.

Answered: Given E(x,-)-78 and N= 80, then the…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Given E(x,-)-78 and N= 80, then the population standard deviation, a, is approximately O a) 0.975 Ob) 0.987 c) 0.994 d) 0.110