Parag Sen

15 Questions 8 Answers 0 Followers

Questions related from Parag Sen

In SEM, while extracting the factors from a set of observed variables, is it principal component analysis (PCA) or Factor Analysis?

11 November 2018 1,453 2 View

In SEM, what is the physical significance of eigen value while doing principal component analysis (PCA)?

11 November 2018 7,363 4 View

What is the correct formula for availability; MTBF/MTBF+MTTR or MTTF/MTBF and why?

I am very confused about the formula for availability because it is given by uptime/uptime+downtime.

08 August 2018 6,618 4 View

How one can explain the meaning of software reliability giving an example and mentioning the name of a specific software?

The functionality of a machine can gradually decrease due to tear and wear. Hence, reliabilty of a machine is an important phenomenon with time. But how the functionality of a software can get...

07 July 2018 7,946 0 View

In Taguchi Method, why the degree of freedom for a factor is given by formula (level-1)?

I cannot understand why 1 is subtracted from the level to find out the degree of freedom?

07 July 2018 786 1 View

How the formula for failure rate R(t1)-R(t2)/(t2-t1)Rt1 is derived?

Please state the derivation of the formula of failure rate.

07 July 2018 1,207 2 View

Does failure function represent the probability density of failure rate?

If f(t) represents the probability density of failure rate, then how it it possible that f(t) will follow exponential distribution whereas the failure rate is constant?

07 July 2018 5,415 5 View

What is the interpretation of (y bar square/variance) in 'Nominal is Best' method of S/N ratio calculation?

What does this ratio indicate? Please see the attached file.

07 July 2018 2,999 0 View

MICLASS and DCLASS coding system in group technology follow which type of coding: monocode, polycode or mixcode?

MICLASS and DCLASS coding system in group technology follow which type of coding: monocode, polycode or mixcode? Why Opitz classification and coding system is a mixed code. I can understand that...

06 June 2018 3,000 2 View

In structural equation modelling (SEM), how to collect the data of the indicators under a moderator variable (please see the explanation)?

Suppose, I have two predictor/independent variables A and B that (i.e. both A and B) affect a dependent variable D. I have also a moderator variable C that influences the relationship between A...

06 June 2018 1,176 4 View

If Cp>1, the six sigma process spread fits inside the tolerance or specification limits, then how the defects can exist?

If Cp>1, the six sigma process spread fits inside the tolerance or specification limits. Then how the defects can exist? For example, if Cp=1.67 (i.e. 5 sigma level), the DPMO is 233. Does six...

06 June 2018 6,338 1 View

What are the differences among flexible manufacturing system (FMS), computer integrated manufacturing (CIM) and totally integrated automation (TIA)?

06 June 2018 9,993 4 View

Data Envelopment Analysis: What is the Primal Version or Maximization Problem of Input Oriented VRS Model?

I have two questions. If anybody helps me, I shall be highly obliged. Thanks in advance. (i) Can anybody provide me the generalized primal version (i.e. maximization problem) of input-oriented VRS...

01 January 2017 6,496 5 View

If three unbiased coins are tossed simultaneously, what will be the probability of getting at least one tail?

Read 5 answers by scientists with 4 recommendations from their colleagues to the question asked by Parag Sen on Feb 24, 2016

02 February 2016 5,364 4 View

If the rejected lots are 100% inspected, what is the objective of selecting a sample size using Dodge-Romig AOQL table (as we already know about lot)?

As a beginner, I have some queries regarding Dodge-Romig AOQL Table as follows: 1. If the rejected lots are 100% inspected (normally), then what is the objective of selecting a sample size using...

04 April 2015 3,644 1 View