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: Mean of the data set 3, 5, 7, 9, 11
A) 9
B) 7
C) 6
D) 5
✅ Correct Answer: C
Explanation: The mean is the sum of values divided by the number of values: (3+5+7+9+11)/5 = 35/5 = 7.
Q: The measure unaffected by extreme values
A) Mode
B) Mean
C) Range
D) Median
✅ Correct Answer: D
Explanation: Median is resistant to outliers as it represents the middle value.
Q: Most frequently occurring value in a dataset
A) Mean
B) Median
C) Mode
D) Range
✅ Correct Answer: C
Explanation: Mode is the value that appears most often in a data set.
Q: A bell-shaped curve is associated with
A) Normal distribution
B) Uniform distribution
C) Poisson distribution
D) Binomial distribution
✅ Correct Answer: A
Explanation: A normal distribution is symmetric and bell-shaped.
Q: The median of 7, 3, 5, 9, 1 after arranging is
A) 7
B) 3
C) 5
D) 9
✅ Correct Answer: C
Explanation: Ordered data: 1, 3, 5, 7, 9; the middle value is 5.