Description
Ms 66- Marketing Research
Course Code: ms 66
Course Title: Marketing Research
Assignement Code : MS-66/TMA/JULY/2022
Course : old MBA
Session 2022-23
Submission date : Last date of submission for July 2022 session is 31st October, 2022 and for January 2023 session is 30th April, 2023
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Questions in assignment
1. Explain the solomon-four group design. How far does this design succeed in
controlling different extraneous variables? Illustrate your answer with the helpof a
suitable example from marketing.
2. Briefly explain the various probability and non-probability sampling methods with
their merits and demerits.
3. With the help of examples, discuss the areas where qualitative research can be used in
marketing.
4. Monthly salary of 32 employees of a firm is given below. Tabulate the dataafter
selecting a suitable class interval.
2250 1800 1650 1760 3520 5600 2450 2680
2700 1680 3650 3240 5850 3150 1860 2425
4520 3275 4215 3760 1950 1850 3750 2825
4500 3800 4300 2750 4370 3350 2375 3215
5. A manufacturer of industrial supplies developed the following model for
predicting the number of sales per month
Y = 41 + .3X1 + .05X2 – 7X3 + 10X4
where Y = Sales per month
X1= Number of manufacturing firms’
X2 = Number of wholesale and retail firms
X3 = Number of competing firms
X4 = Number of full-time company sales people.
i) Explain the correct interpretation of all estimated parameters in the equation.
ii) If R2
= 0.49, what does this figure mean, to you?
iii) Explain how you will go about testing the validity of this multiple
linearregression equation
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