Sampling Theory: MCQ
1.A sample consists of: (a) All units of the population (b) 50 per cent units of the population (c) 5 per cent units of the population (d) Any fraction of the population 2. Sampling is inevitable in the situation(s): (a) Blood test of a person (b) When the population is infinite (c) Testing of life of dry battery cells (d) All the above 3. The number of possible samples of size n out of N population units without replacement is: (a) Nc n (b) (N) n (c) n² (d) N! 4. The number of possible samples of size two from a population of 4 units under SRSWOR: (a) 6 (b) 4 (c) 8 (d) 16 5. Probability of drawing a unit at each selection remains same in: (a) SRSWOR (b) SRSWR (c) Both (a) and (b) (d)None of them 6. Probabil