If a frequency distribution has class intervals 10-20, 20-30, 30-40 and a value 30 is placed in 30-40, the classification is: MCQ with Answer and Explanation

If a frequency distribution has class intervals 10-20, 20-30, 30-40 and a value 30 is placed in 30-40, the classification is:
A. Open-end
B. Exclusive
C. Cumulative
D. Inclusive
Answer: Option B
Solution (By JKSSB Mock Tests)
This is the convention of exclusive classification: upper limit excluded from the interval.

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Practice More Statistics Questions

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Harmonic mean is used to average speeds when:
A. Distances traveled are equal
B. Data is qualitative
C. Times traveled are equal
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Correct Answer: Option A


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Question #2
In Bayes' theorem, the term 'likelihood' refers to:
A. P(B|A)
B. P(B)
C. P(A)
D. P(A|B)

Correct Answer: Option A


Explanation:
Likelihood is the probability of the evidence given the hypothesis.

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Assertion (A): Fisher's Index is called the 'Ideal' index. Reason (R): It uses only base year quantities.
A. Both A and R are true and R is the correct explanation
B. A is false but R is true
C. A is true but R is false
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Correct Answer: Option C


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A is true, but R is false because Fisher's index uses both base and current year quantities (Geometric mean of L and P).

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