The median of 3, 7, 1, 9, 5 is: MCQ with Answer and Explanation

The median of 3, 7, 1, 9, 5 is:
A. 5
B. 9
C. 7
D. 4
Answer: Option A
Solution (By JKSSB Mock Tests)
Ordered: 1, 3, 5, 7, 9. Median = 5.

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Practice More Statistics Questions

Question #1
Which of the following statements about secondary data is NOT correct?
A. It can be obtained from published reports.
B. It is always tailored to the researcher's specific objective.
C. It is already collected data that may be used by another researcher.
D. It is often less expensive to obtain than primary data.

Correct Answer: Option B


Explanation:
Secondary data was collected for another purpose, so it may not fit the current research objective perfectly; it is not always tailored.

This question belongs to: Accountancy and Statistics Statistics
Question #2
Population growth rate is calculated as:
A. (Births - Deaths) / Mid-year population × 100
B. (Births + Immigration - Deaths - Emigration) / Mid-year population × 100
C. Crude Birth Rate - Crude Death Rate
D. Both B and C are correct

Correct Answer: Option D


Explanation:
Natural growth rate = CBR - CDR (per 1,000); overall growth rate includes net migration. Both formulations are used, with B being comprehensive and C focusing on natural increase.

This question belongs to: Accountancy and Statistics Statistics
Question #3
For two attributes A and B, independence (no association) implies:
A. (AB) = 0
B. (AB)/N = (A)/N × (B)/N
C. (AB) = (A)(B)/N²
D. (AB) = (A) + (B)

Correct Answer: Option B


Explanation:
Independence means the proportion of items with both attributes equals the product of the individual proportions.

This question belongs to: Accountancy and Statistics Statistics