The operations manager of SSS Rubber Company is investigating the ages in months of the company's equipment currently use. The ages of 30 units selected at random were organized into a frequency distribution. Complete the table and compute the variance and standard deviation.

The operations manager of SSS Rubber Company is investigating the ages in months of the company's equipment currently use. The ages of 30 units selected at random were organized into a frequency distribution. Complete the table and compute the variance and standard deviation.

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

100%

7:54 PM O
A. (83
556 (677×248)
content:
Age
Number of
fx
(x – x)²
f(x – x)²
(in months) Equipment (f)
18-20
4
21-23
6
24-26
8.
27-29
5
30-32
4
33-35
3
Total
30

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