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JKSSB Statistical Assistant 2025 Paper

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Question 1 of 110

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?

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Explanation

The new correlation coefficient will be B) -0.5.

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Question ID: 9959

Question 2 of 110

Fishers Ideal Index Number not satisfies

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Fisher's Ideal Index Number does not satisfy the C) Circular Test.

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Question ID: 9958

Question 3 of 110

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)

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Explanation

The total fertility rate per woman is B) 2.7.

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Question ID: 9957

Question 4 of 110

The population of a city is 12000. Ifthe population size after 3 generations is 768000, then the net reproductive rate is

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The net reproductive rate is D) 4.

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Question ID: 9956

Question 5 of 110

If Laspeyres' price index is 100, Fisher's index number is 120, then Bowley's index number is

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The correct answer is A) 122.

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Question ID: 9955

Question 6 of 110

The average height of male employees in a company is 68 inches and that of female employees is 63 inches. The average height of all the employees is 65 inches. The percentage of male employees in the company is

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Explanation

The percentage of male employees in the company is A) 40%.

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Question ID: 9954

Question 7 of 110

If x₀ = 5, x₁ = 6, x₂ = 9 and x₃, =11, and f(x₁) =12, f(x₁) =13, f(x₂) =14 and f(x₃)=16 then the approximate value of ƒ(10) using Lagrange's interpolation formula is

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The approximate value of $f(10)$ using Lagrange's interpolation formula is B) 14.67.

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Question ID: 9953

Question 8 of 110

Which is a demographic indicator of health?

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The correct answer is B) Life expectancy.

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Question ID: 9952

Question 9 of 110

Which of the following is a measure of mortality?

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The correct answer is A) Crude death rate.

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Question ID: 9951

Question 10 of 110

Zero should be used only to indicate the ______

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Zero should be used only to indicate the C) Quantity of variable.

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Question ID: 9949

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