Assertion (A): The arithmetic mean is not a robust measure of central tendency. Reason (R): It is highly influenced by outliers. Choose the correct option: MCQ with Answer and Explanation

Assertion (A): The arithmetic mean is not a robust measure of central tendency. Reason (R): It is highly influenced by outliers. Choose the correct option:
A. Both A and R are true, but R is not the correct explanation of A
B. A is true, R is false
C. A is false, R is true
D. Both A and R are true, and R is the correct explanation of A
Answer: Option D
Solution (By JKSSB Mock Tests)
The mean is sensitive to extreme values, making it non-robust. R explains why.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Statistics Questions

Question #1
The de facto census method may overcount:
A. Elderly in institutions
B. Newborns not yet registered
C. Usual residents who are temporarily absent
D. Visitors and temporary residents present on census night

Correct Answer: Option D


Explanation:
De facto census counts people where found on census night, so tourists, migrant workers, or hospital patients may be counted away from their usual residence, potentially inflating counts in transient areas.

This question belongs to: Accountancy and Statistics Statistics
Question #2
Which index method is best suited when a new commodity is introduced frequently over consecutive years?
A. Laspeyres Method
B. Fixed Base Index
C. Simple Aggregative Method
D. Chain Base Index

Correct Answer: Option D


Explanation:
The Chain Base method allows for the easy inclusion or deletion of items year-by-year, maintaining relevance.

This question belongs to: Accountancy and Statistics Statistics
Question #3
In the schedule method of data collection, who fills the form?
A. The enumerator
B. The informant
C. The supervisor
D. A postal agent

Correct Answer: Option A


Explanation:
Schedule is a form filled by the enumerator while interviewing the informant.

This question belongs to: Accountancy and Statistics Statistics