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 normal distribution is fully described by
A) Median and range
B) Mean and median
C) Mean and standard deviation
D) Mean and mode
Q: The empirical rule states that in a normal distribution about 68% of data falls within
A) 4 SD
B) 2 SD
C) 1 SD
D) 3 SD
Q: The expected value of a random variable represents
A) Maximum value
B) Average outcome
C) Most frequent value
D) Spread
Q: The sum of squared deviations from the mean is minimized by the
A) Mode
B) Median
C) Range
D) Mean
Q: Probability of A or B when events are not mutually exclusive
A) P(A) + P(B) – P(A∩B)
B) P(A) + P(B)
C) P(A) ÷ P(B)
D) P(A) × P(B)