Answered: A. Find the range. B. Find the…

Math

Statistics

A. Find the range. B. Find the standard deviation. C. Find the variance.

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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Question

From a 300 reinforcing steel bars, some were tested in terms of its tensile strength and recorded in a frequency table as shown.

A. Find the range.

B. Find the standard deviation.

C. Find the variance.

Bar
Strength
(MPa)
240-269
270-299
300-329
330-359
360-389
Number
of bars
22
17
4
7

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