Classical

Research Aptitude MCQ - Research Aptitude

36:  

 Total error in a research is equal to

A.

sampling error + non-sampling error

B.

C.

only sampling error

D.

sampling error * 100

 
 

Option: B

Explanation :

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DM said: (4:35am on Saturday 23rd January 2016)
a b whole squared under square root is the same as a b. so the options [A] and [B] are the same.
mm said: (10:09pm on Thursday 23rd June 2016)
total error= sampling error non-sampling error
Xyz said: (3:19am on Friday 6th January 2017)
Acc to me it is sampling non sampling error . Although if v cut root by square .. even then the result will b same

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37:  

The validity and reliability of a research will be at stake when

A.

The author who is the source of information is biased, incompetent or dishonest

B.

The incident was reported after a long period of time from that of its occurrence 

C.

The researcher himself is not competent enough to draw logical conclusions

D.

All of the above 

 
 

Option: D

Explanation :

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38:  

Seeing a very big rally it was reported that JD will win the election, the conclusion was based on :

A.

random sampling

B.

cluster sampling 

C.

systematic samialing

D.

purposive sampling 

 
 

Option: B

Explanation :

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monika said: (3:44am on Monday 18th May 2015)
what is the specific characterstic of cluster sampling

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39:  

Study the table which shows the income of five persons, and answer the question that follows?

Year

A

B

C

D

E

1960

55000

22000

43000

30000

40000

1965

75000

21900

47000

40000

60000

1970

76000

21880

42350

50000

65000

1975

83300

21750

72350

60000

90000

1980

93335

20000

54050

70000

75000

1985

102335

17000

84060

80000

105000

1990

103225

10500

85000

90000

120000

Which of the following conclusion is not correct?

 

A.

There has been an increase in the income of A but slight and steady decline in the income of B from 1960 to 1990

B.

D and E have at least one property uncommon

C.

Percentage increase of A is higher than E

D.

C has fluctuating trend in his income

 
 

Option: C

Explanation :

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Anjali said: (3:32am on Monday 6th May 2013)
Acc to me it should be A
Rahul said: (4:11am on Tuesday 10th November 2015)
I think C is the wrong option answer must be A. can you please explain the option C
Biju Nair said: (9:59pm on Monday 6th March 2017)
A is correct as A got increase in income while B's income decline,Percentage increase of A is not higher than B, so C. is not the correct conclusion and the answer is C

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40:  

 The review of the related study is important while undertaking a research because

A.

it avoids repitition or duplication

B.

it helps in understanding the gaps

C.

it helps the researcher not to draw illogical conclusions

D.

all of above

 
 

Option: D

Explanation :

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