Grades50-6060-7070-8080-9090-100No. ofStudents111Calculate the standard deviation of the sample grouped data above.) 13.52) 13.09O 12.41) 12.702.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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just the last part i included a pic of the sample data, thank you!
Please answer
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Grades 50-60 60-70 70-80 80-90 90-100 3 No. of Students 11 Calculate the standard deviation of the sample grouped data above. O 13.52 O 13.09 12.41 12.70