Explain how is model validation done

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Reference no: EM1377859

Q. 1. You have drafted a questionnaire to find out the reasons for decline in sales of a product. Protest your questionnaire with hypothetical data. Suggest the modifications necessary depended on the results in the drafted questionnaire.

2. Illustrate what is a Semantic Differential Scale? Explain the steps in construction of the scale. When will you use this scale?

3. Discuss the role of modelling in research in managerial decisions making with an appropriate illustration. Explain how is model validation done?

4. Write down short note on the subsequent :

a. Factor loading also factor analysis

b. Different types of experimental design

5. A sample of 48 tools produced by a machine shows the subsequent sequence of good (G) also defective (D) tools:

G G G G G G D D G G G G G G G G
G G D D D D G G G G G G D G G G
G G G G G G D D G G G G G D G G

Test the randomness at the 0.05 significance level.

Reference no: EM1377859

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