2023 Assignment 2 : Sampling

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All questions are compulsory. Choose the correct alternative.

E-mail *

Name of the Student (Full name starting with surname) *

Roll Number

1. In which sampling method same element may be selected more than once? *

1 pont

A) SRSWR

B) SRSWOR

C) stratified random sampling

D) None of these

2. The procedure of collecting data from few members of the population is called ....... *

1 pont

A) sampling technoque

B) census method

C) Both A) and B)

D) None of these

3. In which of the following situation sampling cannot be avoided? *

1 pont

A) Testing of life of an electric bulb

B) Testing the quality of milk

C) Testing the Blood Sugar

D) All of the above

4. In which sampling scheme the population is divided into homogeneous groups? *

1 pont

A) simple random sampling

B) systematic sampling

C) stratified sampling

D) None of these

5. The procedure of collecting data from all members of the population is called as *

1 pont

A) sampling

B) census

C) Both A) and B)

D) None of these

6. Stratified random sampling is a method of selecting a sample in which *

1 pont

A) the sample is first divided into strata, and then random samples are taken from each stratum

B) various strata are selected from the sample

C) the population is first divided into strata, and then random samples are drawn from each stratum

D) None of these alternatives is correct

7. The best sample is one that is *

1 pont

A) systematic sample

B) convenient sample

C) purposefully selected

D) representative of the population

8. Type of questions included in questionnaire to record responses in which respondent can answer in any way are classified as *

1 pont

A) multiple choices

B) itemized question

C) open ended questions

D) close ended questions

9. Sampling can be described as a statistical procedure *

1 pont

A) to infer about the unknown universe from a knowledge of any sample

B) to infer about the known universe from a knowledge of a sample drawn from it

C) to infer about the unknown universe from a knowledge of a random sample drawn from it

D) both A) and B)

10. A study based on complete enumeration is known as *

1 pont

A) sample survey

B) census survey

C) pilot survey

D) None of these

11. A statistical population may consist of *

1 pont

A) an infinite number of items

B) a finite number of items

C) Either A) or B)

D) None of these

12. If the population under study is of heterogeneous type then we use *

1 pont

A) simple random sampling

B) stratified random sampling

C) systematic sampling

D) None of these

13. In ………………., each and every unit in the population has equal chance of being selected. *

1 pont

A) simple random sampling

B) stratified random sampling

C) subjective sampling

D) None of these

14. A sample of 30 students is to be drawn from a population consisting of 600 students of two colleges. First college has 400 students and second college has 200 students. what will be the sample sizes (n1 and n2) to be selected from two colleges under proportional allocation method. *

2 pont

A) n1 = 15, n2 = 15

B) n1 = 20, n2 = 10

C) n1 = 10, n2 = 20

D) None of these

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