Statistics MCQs

Statistics MCQs serve as an essential tool for students, researchers, and exam candidates to understand and master the fundamentals of statistical analysis. This category features a rich set of multiple-choice questions covering topics such as probability, sampling, hypothesis testing, measures of central tendency and dispersion, correlation, regression, and data interpretation. These MCQs are ideal for test preparations including CSS, NTS, PMS, GAT, university entrance exams, and job recruitment tests where statistical knowledge is tested. The questions range from basic theory to practical problem-solving scenarios, allowing learners to evaluate and enhance their conceptual understanding. Practicing regularly not only strengthens your analytical skills but also prepares you to apply statistical techniques in real-world contexts. This category is particularly useful for students in social sciences, economics, business, and research-based programs. Improve your statistical thinking by solving our curated Statistics MCQs.

Q: Outlier in a boxplot is represented by
A) Dots beyond whiskers
B) Box end
C) Whiskers
D) Midline
Q: If the mean is greater than the median, the distribution is
A) Uniform
B) Negatively skewed
C) Symmetric
D) Positively skewed
Q: Central Limit Theorem applies when sample size is
A) Large
B) Unknown
C) Small
D) Fixed at 10
Q: Probability of selecting an ace from a standard deck
A) 1/26
B) 1/13
C) 1/4
D) 4/13
Q: The variance of a constant value is always
A) Undefined
B) 0
C) 1
D) Equal to mean
Q: The symbol ฮผ represents
A) Median
B) Population mean
C) Sample mean
D) Sample variance
Q: Standard error decreases when
A) Sample size increases
B) Variance increases
C) Sample is biased
D) Mean increases
Q: Skewness measures
A) Symmetry
B) Central tendency
C) Frequency
D) Spread
Q: A hypothesis is tested to
A) Make predictions
B) Prove a theory
C) Make a statistical decision
D) Estimate a parameter
Q: Discrete variables take
A) Only integers
B) Infinite values
C) Fixed distinct values
D) Only decimals