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DRIVE fall 2016
PROGRAM Master of
Business Administration- MBA
SEMESTER Semester 3
SUBJECT CODE & NAME QM0021:
STATISTICAL PROCESS CONTROL
1
Describe - Evolution of Statistical Process Control
Evolution of
Statistical Process Control
Answer: The
term statistical means the use of mathematical models and theories for
gathering, analysing, and interpreting data. A process is a set of steps or
procedures required or performed to convert inputs into a desired output.
The first major
step towards improving quality of goods using statistical tools was proposed in
the year 1924 by Walter A. Shewhart. Later during the Second World War, SPC
methods were successfully
2
Discuss the different types of data in detail.
Different types
of data
Answer: Types of data
Here,
the word content is used to denote the content of data. You can receive data in
either statement form or numerical form. For example, when you specify the cost
incurred in production, you will bring the data in numerical form. On the other
hand, if you want to identify why people like a particular product, you will
find the data in the statement or descriptive form. So,
3
Discuss process variation.
Process
variation
Answer: Let
us consider an example to explain a process to interpret the variation that can
occur in a process. WantChairDotCom is a retailer which procures chairs from a
manufacturing
4
What is process capability? Explain its uses and assumptions.
Process
Capability
Uses
of Process Capability
Assumptions
in Process Capability
Answer
Ans
As mentioned in the previous units, a
process is a systematic way of converting a set of input into a desired output.
In other words, a process is combination of tools, techniques, and methods
which are responsible for conversion of an input into an output for which the
process was executed.
An important
5
Discuss the decision making procedure for CUSUM charts.
Decision making
procedure for CUSUM charts.
Answer: The following are the steps which need to
be carefully executed before we are in a position to take decisions by using
CUSUM charts:
1. Decide, what
we want to achieve which means that we must first be clear as to what is it
that we want to address.
2. Decide on the
statistic that would be used to sum up the deviations. This means that whether
we
6
Explain - Importance and Applications of Experimental Design
Importance of
Experimental Design
Applications of
Experimental Design
Answer: Importance and Applications of
Experimental Designs
The following
points illustrate the importance of experimental design:
Ø Experimental
design helps an organisation to get a competitive edge in the market.
Ø Experimental
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