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: Box plot visualizes
A) Data spread
B) Time series
C) Trends
D) Central tendency
✅ Correct Answer: A
Explanation: A box plot shows quartiles and highlights dispersion and outliers.
Q: Frequency polygon is used to
A) Compare ranges
B) Show data symmetry
C) Graph frequency distributions
D) Display box plots
✅ Correct Answer: C
Explanation: Frequency polygon is a line graph showing frequency distribution of data.
Q: Bimodal data sets contain
A) No peaks
B) One peak
C) Random peaks
D) Two peaks
✅ Correct Answer: D
Explanation: Bimodal data have two values that occur most frequently.
Q: A variable that can be measured is called
A) Independent variable
B) Dependent variable
C) Qualitative variable
D) Quantitative variable
✅ Correct Answer: D
Explanation: Quantitative variables have numerical values that can be measured.
Q: Null hypothesis is usually denoted by
A) H1
B) H2
C) H0
D) Ha
✅ Correct Answer: C
Explanation: H0 represents the null hypothesis in statistical testing.