Wednesday 26 November 2014

qm0012 smu mba fall 2014 IIIrd sem assignment

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DRIVE Fall  2014
PROGRAM/SEMESTER MBADS (SEM 3/SEM 5) MBAFLEX/ MBAN2 (SEM 3) PGDTQMN (SEM 1)
SUBJECT CODE & NAME QM0012 STATISTICAL PROCESS CONTROL AND PROCESS CAPABILITY

Q.1 Explain the concept of Cause and Effect Diagram, Check Sheet and Scatter Diagram.

Explanation of Cause and effect diagram

Explanation of Check Sheet

Explanation of Scatter Diagram
ANS:
Explanation of Cause and effect diagram:

Cause and Effect Diagram, also called as “fish bone diagram” or “Ishikawa diagram”, shows relationships between events and is a useful analysis in generating ideas and in identifying the root cause of problem. It the cause and effect diagram is used to explore all the potential or real causes (or inputs) that result in a single effect (or output).Causes


Q.2 Describe Deming’s Funnel experiment and Red Bead Experiment.

Deming’s Funnel experiment

Deming’s Red Bead experiment
ANS:
Deming’s Funnel experiment:
W. Edwards Deming has stated, “If someone adjusts a stable process (one exhibiting common causes of variation) to try to compensate for a result that is undesirable, or for a result that is extra good, the output that follows will be worse than if he had left the process alone”. This is called over control of the process or “tampering”. If management


Q.3 Write short notes on

a) Binomial Distribution

b) Normal Distribution
ANS:
Explanation of Binomial distribution with an example:
When a Bernoulli experiment is repeated for “n” number of times, then it is called a binomial process. Binomial distribution is a discrete probability distribution. Its probability mass function is given by:

Q.4.What is analysis of variance? Explain the procedure for carrying out Two way analysis of Variance with an example.

Meaning of analysis of variance

Procedure for carrying out two way analysis of variance with an example

ANS:

Meaning of analysis of variance:
The Analysis of Variance is one of the most powerful statistical techniques. It is a statistical test for heterogeneity of means by analysis of group variances. The analysis of variance technique, developed by R.A. Fisher in 1920s, is capable of fruitful application to diversity or practical problems. Basically, it consists of classifying and cross-classifying statistical results and testing whether the means of a specified classification differ significantly. In this



Q.5 Discuss the types of control charts. Explain with an example how to calculate p Chart and np Chart.

Concept of Control charts

Control charts for variables

Control charts for attributes

Calculation of p chart and np chart with an example

ANS:

Concept of Control charts:

A control chart is a graphical representation of the collected information. The information may pertain to measured quality characteristics or judged quality characteristics of samples. It detects the variation in processing and warns if there is any departure from the specified tolerance limits. The control limits on the chart are so placed as to disclose the presence or absence of the assignable causes of quality variation. This makes possible the diagnosis and


Q.6 Explain the concept of Process Capability. Distinguish between Process Stability and Capability. Mention the major uses of Process Capability.

Explanation of Process Capability

Differences between Process Stability and Capability

Uses of Process Capability

ANS:

Explanation of Process Capability:

A process capability study is performed for two primary reasons:
1. To predict future capability of the process to produce product within specification
2. To identify process improvement opportunities
Process capability is a statistical analysis of variation of the process output compared to the allowable specification limits. Process capability, hence, is the repeatability and consistency of a manufacturing process relative to the customer requirements in terms of specification limits of a product parameter. This measure is used to objectively
Get fully solved assignment, plz drop a mail with your sub code
computeroperator4@gmail.com
Charges for mba rs 125/subject and rs 700/semester only.
For other rs 125/subject only
if urgent then call us on 08791490301, 08273413412
our website is www.smuassignment.in



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