Statistics MCQs

Statistics Questions with solutions MCQs

1. The class instructor calculated the correlation coefficient between the marks obtained by students in English and Hindi, and found it to be -0.5. Later, she realized that she had forgotten to include 1 grace mark for every student in the English scores. What will be the new correlation coefficient between the updated English marks and the Hindi marks?

A

0.5

B

-0.5

C

0.1

D

1

Statistics Statistical Assistant 2025
Correct Answer : B
Explanation :

<p>The new correlation coefficient will be <b>B) -0.5</b>.</p>

Correct Answered :

Wrong Answered :

2. Fishers Ideal Index Number not satisfies

A

Unit Test

B

Time Reversal Test

C

Circular Test

D

Factor Reversal Test

Statistics Statistical Assistant 2025
Correct Answer : C
Explanation :

<p>Fisher's Ideal Index Number <b>does not satisfy</b> the <b>C) Circular Test</b>.</p>

Correct Answered :

Wrong Answered :

3. If the gross reproductive rate is 1.08 per woman and the proportion of male births is 60%, then total fertility rate per woman is (assuming no mortality)

A

2.5

B

2.7

C

1.8

D

2.2

Statistics Statistical Assistant 2025
Correct Answer : B
Explanation :

The total fertility rate per woman is <b>B) 2.7</b>.<span></span>

Correct Answered :

Wrong Answered :

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