MCQ

MCQ 11 Mark

A security checkpoint that ‘checks every vehicle entering into the mall is an example of which of the following ?

✓
Census inquiry
B
Stratified random sampling
C
Systematic sampling
D
Simple random sampling

Answer

Correct option: A.

Census inquiry

MCQ 21 Mark

Suppose we are using stratified sampling for a particular population and have divided it into strata of different sizes. How can we now make sample selection?

A
Select an equal number of units from each Stratum at random.
B
Draw unequal number of units from each Stratum and weigh the results.
✓
Draw number of units from each stratum proportional to their size in the population.
D
None of the above

Answer

Correct option: C.

Draw number of units from each stratum proportional to their size in the population.

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MCQ 31 Mark

Which sampling is affected the most if there is hidden periodicity in population ?

A
Simple random sampling
B
Stratified random sampling
✓
Systematic sampling
D
Both $(b)$ and $(c)$

Answer

Correct option: C.

Systematic sampling

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MCQ 41 Mark

A parameter and statistic respectively are characteristics of which of the following ?

✓
Population and Sample
B
Sample and Population
C
Sample and Sample
D
Population and Population

Answer

Correct option: A.

Population and Sample

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MCQ 51 Mark

Which of the following statements is true ?

A
In stratified random sampling, all the units of the population have equal chance of being selected in the sample.
✓
In simple random sampling all units of the population have equal chance of being selected in the sample.
C
In any sampling method, the sample size does not depend on population.
D
In systematic sampling, all units of the population have equal chance of being selected in the sample.

Answer

Correct option: B.

In simple random sampling all units of the population have equal chance of being selected in the sample.

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MCQ 61 Mark

Which of the following statements is true ?

A
A sample in which a unit is selected after replacing the unit selected earlier in the population is called a sample without replacement.
✓
If a unit is to be destroyed during an inquiry then sample inquiry is not only necessary but also inevitable.
C
In any sampling method, the sample size is larger than the population size.
D
Stratified random sampling is best if the population is homogeneous.

Answer

Correct option: B.

If a unit is to be destroyed during an inquiry then sample inquiry is not only necessary but also inevitable.

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MCQ 71 Mark

A sample selected from a population consists which of the following ?

A
All units of the population
B
Only $50\%$ of the units of the population
C
Only $15\%$ of the units of the Population
✓
Some units of the Population

Answer

Correct option: D.

Some units of the Population

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Statistics MCQ

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