Which of the following is an example of qualitative classification? MCQ with Answer and Explanation

Question
Which of the following is an example of qualitative classification?
A. Height of students in classes 150-160 cm
B. Number of students in different age groups
C. Marks obtained by students
D. Classification by blood group
Answer: Option D
Solution (By JKSSB Mock Tests)
Blood group is a non-numerical attribute, hence qualitative.
This question belongs to: Accountancy and Statistics Statistics
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Practice More Statistics Questions

Question #1
Which average is strictly impossible to calculate if any of the observations in the dataset is exactly zero?
A. Arithmetic Mean
B. Both Geometric and Harmonic Mean
C. Geometric Mean
D. Harmonic Mean
Discuss
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Correct Answer: Option B

Explanation:
Geometric mean becomes zero if any value is zero, and Harmonic mean involves division by zero, making both invalid.
This question belongs to: Accountancy and Statistics Statistics
Question #2
Which is a difference between primary and secondary data?
A. Primary data requires less time
B. Secondary data is more reliable always
C. Primary data is cheaper than secondary data
D. Primary data is collected for the specific purpose at hand
Discuss
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Correct Answer: Option D

Explanation:
Primary data is gathered specifically for the study, while secondary data was collected for some other purpose.
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. Taking the geometric mean of the two indices
B. Multiplying old index by 100/index of new base year
C. Dividing old index by old index of new base year and multiplying by 100
D. Adding the old indices
Discuss
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Correct Answer: Option C

Explanation:
New index = (Old index for target year / Old index for new base year) × 100.
This question belongs to: Accountancy and Statistics Statistics
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