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In a steel forging factory, 3 products are processed in 3 different ways. The times of a process on the products are given in the table. Find the Friedman S value,  a) 1.1  B) 4.2  NS) 2.7  D) 7.9  TO) 2.0

In a steel forging factory, 3 products are processed in 3 different ways. The times of a process on the products are given in the table. Find the Friedman S value,  a) 1.1  B) 4.2  NS) 2.7  D) 7.9  TO) 2.0

MATLAB: An Introduction with Applications
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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In a steel forging factory, 3 products are processed in 3 different ways. The times of a process on the products are given in the table. Find the Friedman S value,

 a)

1.1
 B)

4.2
 NS)

2.7
 D)

7.9
 TO)

2.0
units 1.Product 2.Product 3.Product Machining workshop 22 15 27 heat treatment unit 43 18 23 Mold manufacturing workshop 19 16 25
Transcribed Image Text:units 1.Product 2.Product 3.Product Machining workshop 22 15 27 heat treatment unit 43 18 23 Mold manufacturing workshop 19 16 25
Expert Solution
Step 1

Friedman's test is a non-parametric test conducted on variables where several means are compared. It is the non-parametric equivalent of the parametric test, one-way ANOVA. 

Given,

n=3 (Number of types of units)

k=3 (Number of products)

R= sum of rank for each column

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