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: Regression analysis is used to
A) Predict one variable from another
B) Find averages
C) Compare frequencies
D) Test medians
✅ Correct Answer: A
Explanation: Regression predicts the value of a dependent variable based on the independent one.
Q: A bell-shaped curve represents
A) Binomial distribution
B) Uniform distribution
C) Normal distribution
D) Skewed distribution
✅ Correct Answer: C
Explanation: The bell-shaped curve describes a normal distribution.
Q: Probability distribution of two dice sum equals 7
A) 1/12
B) 1/18
C) 1/36
D) 1/6
✅ Correct Answer: D
Explanation: There are 6 favorable outcomes out of 36 total, so the probability is 1/6.
Q: Mean is defined as the
A) Middle value
B) Difference
C) Average
D) Most frequent value
✅ Correct Answer: C
Explanation: Mean represents the average of a data set, calculated by dividing the sum by the number of values.
Q: Median identifies the
A) Central value
B) Repeated value
C) Greatest value
D) Least value
✅ Correct Answer: A
Explanation: Median is the middle value when data is arranged in ascending or descending order.