Tuesday 27 June 2017

qm0021 smu mba spring 2017 (jul/aug 2017 exam) IIIrd sem assignment

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DRIVE SPRING 2017
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.

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, on the basis of

3 Explain - Characteristics of Hypothesis
Characteristics of Hypothesis
Answer:

Characteristics Of  Hypothesis

(i)           Hypothesis should be clear and precise. If the hypothesis is not clear and precise, the inferences drawn on its basis cannot be taken as reliable1.




4 Short note on a.) Process Capability b.) Process Stability c.) Basis of Process
Capability Study
a.) Process Capability
b.) Process Stability
c.) Basis of Process Capability Study
Answer:
Process Capability:

a process is a systematic way of converting a set of input into a desired output. In other words, a process is a combination of tools, techniques, and methods which are responsible for conversion of an input


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 want to add the deviations on the basis of average, standard deviations, or the range. This is the most crucial step. An incorrect selection of this vital statistic will lead to erroneous conclusions which might result in making wrong decisions with severe consequences to the survival of the



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 design enables an organisation to develop a new product or service by modifying or upgrading the existing ones.
Ø  Experimental design enables the organisations to identify the cause of variation in its processes and take



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