For a continuous variable, the most appropriate classification is: MCQ with Answer and Explanation

For a continuous variable, the most appropriate classification is:
A. Spatial classification only
B. Qualitative classification
C. Chronological classification only
D. Quantitative classification with exclusive class intervals
Answer: Option D
Solution (By JKSSB Mock Tests)
Continuous variables (e.g., height, income) require quantitative classification using exclusive class intervals to avoid overlap and ensure each observation falls into exactly one class.

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Practice More Statistics Questions

Question #1
If P(A)=0.5, P(B)=0.4, P(A∩B)=0.3, then P(A but not B) is:
A. 0.2
B. 0.1
C. 0.5
D. 0.8

Correct Answer: Option A


Explanation:
P(A∩B') = P(A) - P(A∩B) = 0.5 - 0.3 = 0.2.

This question belongs to: Accountancy and Statistics Statistics
Question #2
According to the Census of India 2011, the child sex ratio (0-6 years) was:
A. 919
B. 943
C. 900
D. 940

Correct Answer: Option A


Explanation:
Child sex ratio (0-6) was 919 females per 1000 males, lower than overall sex ratio.

This question belongs to: Accountancy and Statistics Statistics
Question #3
When the base year of a fixed base index series is changed from 2010 to 2015, the new index for 2020 is obtained by:
A. Dividing old index by old index of new base year and multiplying by 100
B. Multiplying old index by 100/index of new base year
C. Taking the geometric mean of the two indices
D. Adding the old indices

Correct Answer: Option A


Explanation:
New index = (Old index for target year / Old index for new base year) × 100.

This question belongs to: Accountancy and Statistics Statistics