Statisticsk MCQs / Q&A

In which distribution successive trials are without replacement:____________________? A. Hypergeometric distribution (Correct) B. Binomial distribution C. Poisson distribution D. Geometric distribution

Frequency table is an arrangement of data by classes together with their _______ class frequencies? A. Terms B. Alternate class C. Same class D. Corresponding class (Correct)

If X ˜ N(16,49), the mean is___________? A. 49 B. 16 (Correct) C. 7 D. 4

There are ________ important bases of classification? A. Two B. Four (Correct) C. Three D. Five

The relation showing between whole and its components used chart is said to be ___________________? A. Component bar chart B. Multiple bar chart C. Pie Chart (Correct) D. Simple Bar chart

If any value in the data is zero, then which of the following average vanishes ______________? A. A.M. B. G.M. (Correct) C. Mode D. None of these

The range of normal distribution lies between _________? A. -∞ to +∞ (Correct) B. 0 to ∞ C. -∞ to 0 D. None of these

If a distribution has two modes then this distribution is called______________? A. Uni-Modal B. Bi-Modal (Correct) C. Tri-Modal D. Multi-Modal E. None of these

If a and b are two constants, then Var(a+bX) is_______________? A. a±bVar(X) B. Var(a)±Var(X) C. ±bVar(X) D. b2Var(X) (Correct) E. (a±b)Var(X)

The smallest individuals which constitute the entire population are called __________________? A. Sampling frame B. Sampling units(Correct) C. Sample pop D. Sample design