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: A graph that shows frequency distribution
A) Histogram
B) Line graph
C) Pie chart
D) Scatter plot
✅ Correct Answer: A
Explanation: Histogram displays the distribution of numerical data.
Q: Sum of all probabilities in a discrete distribution
A) 0
B) 2
C) 0.5
D) 1
✅ Correct Answer: D
Explanation: In any probability distribution, the total probability is always 1.
Q: The probability of an impossible event
A) 0.5
B) 0
C) 1
D) Undefined
✅ Correct Answer: B
Explanation: An impossible event has a probability of zero.
Q: Interquartile range measures
A) Average
B) Accuracy
C) Central tendency
D) Dispersion
✅ Correct Answer: D
Explanation: Interquartile range represents the spread of the middle 50% of data.
Q: Population parameter example
A) Sample proportion
B) Population mean
C) Sample variance
D) Sample mean
✅ Correct Answer: B
Explanation: Population mean is a parameter, while others are sample statistics.