Statistics MCQs
Statistics MCQs cover probability, sampling, hypothesis testing, correlation, regression, and data interpretation. Ideal for CSS, NTS, PMS, GAT, and university exams, they boost conceptual understanding, analytical skills, and real-world statistical application.
Q: Mode can be interpreted as the
A) Most common value
B) Least frequent value
C) Arithmetic mean
D) Largest number
✅ Correct Answer: A
Explanation: Mode is the value that occurs most frequently in the dataset.
Q: A low standard deviation implies
A) No trend
B) Low variation
C) High variation
D) Central peak
✅ Correct Answer: B
Explanation: Low standard deviation means data points are close to the mean.
Q: Variance represents
A) Mean error
B) Square of deviation
C) Data shape
D) Sum of scores
✅ Correct Answer: B
Explanation: Variance shows how far data values spread from the mean.
Q: First quartile lies at the
A) 25th percentile
B) 50th percentile
C) 90th percentile
D) 75th percentile
✅ Correct Answer: A
Explanation: First quartile (Q1) is the 25% mark in a data distribution.
Q: Range is determined by
A) Mean - Median
B) Q3 - Q1
C) Maximum - Minimum
D) Sum / Total
✅ Correct Answer: C
Explanation: Range is calculated by subtracting the smallest value from the largest value.