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Business Statistics and Research Methods - Business Statistics and Research Methods Section 3

Avatto > > UGC NET COMMERCE > > PRACTICE QUESTIONS > > Business Statistics and Research Methods > > Business Statistics and Research Methods Section 3

46. Match List-I with List-II and select the correct answer using the codes given below the lists:

List-I	List-II
a.Simple Random Sampling	I. Heterogenous
b.Stratified Random Sampling	II. Homogenous
c.Cluster sampling	Ill. Chronological list of units
d. Systematic Sampling	IV. Forest tree type units

A
a b c d
I II III IV
B
a b c d
III I IV II
C
a b c d
II I IV III
D
a b c d
IV III II I

Answer
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Option : B
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47. In the graphical model of linear programming, the region defined by the constraints and the non-negative restriction is the

A
constraints
B
objective function
C
feasible solution region
D
non-negativity restrictions

Answer
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Option : C
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48. A model in which one physical property is used to represent another physical property is known as

A
analog model
B
deterministic model
C
decision theory model
D
ionic model

Answer
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Option : A
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49. The device through which the functional relationship is studied and forecasting is made is called

A
Correlation
B
Regression
C
Time Series
D
None of the above

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Option : B
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50. Assertion (A). A Chi-square test is used to measure the association between two attributes.
Reason (R). We apply Non-parametric tests like chi-square test from data measured on week scale-like nominal scale or ordinal scale.

A
(A) is true but (R) is wrong.
B
(A) is wrong but (R) is true.
C
Both (A) and (R) are wrong.
D
Both (A) and (R) are true

Answer
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Option : D
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