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: In hypothesis testing, the null hypothesis represents
A) An error
B) A bias
C) A claim to be tested
D) An alternative
Q: The shape of a distribution where the mean equals the median and mode
A) Left-skewed
B) Symmetrical
C) U-shaped
D) Right-skewed
Q: An example of discrete data
A) Number of students
B) Temperature
C) Height
D) Weight
Q: The level of measurement that categorizes data without order
A) Ordinal
B) Nominal
C) Ratio
D) Interval
Q: A test statistic follows which type of distribution in a Z-test
A) Poisson
B) Normal
C) Binomial
D) Chi-square
Q: The number of observations divided by the number of classes gives
A) Class boundary
B) Class width
C) Frequency
D) Midpoint
Q: A scatter plot is best used to examine
A) Mean
B) Correlation
C) Frequency
D) Causation
Q: Confidence level of 95% means
A) Result is always accurate
B) Interval includes the true parameter in 95% of cases
C) 95% data is correct
D) 5% chance of error
Q: Coefficient of variation is calculated as
A) Standard deviation × Variance
B) Standard deviation/Mean
C) Mean/Standard deviation
D) Mean × Standard deviation
Q: If events A and B are mutually exclusive, their joint probability is
A) 0.5
B) 1
C) 0
D) Undefined