Sampling & Questionnaire Design

JKSSB Finance Accounts Assistant · Statistics · 15 practice questions with answers and explanations: 3 Easy, 7 Medium, 5 Hard.

Sample questions

Sample Easy question 1

Selecting a sample by drawing numbered slips from a box is an example of:

  1. Judgement sampling
  2. Simple random sampling
  3. Quota sampling
  4. Convenience sampling
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Answer: B. The lottery method gives every unit an equal chance of selection: simple random sampling.

Sample Medium question 2

In 'random sampling', how are the sample units selected?

  1. Every unit in the population has an equal chance of selection
  2. Only convenient units are selected
  3. Only the first few units are selected
  4. Units are selected based on the researcher's preference
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Answer: A. Random sampling gives every population member an equal probability of being chosen.

Sample Hard question 3

What is 'convenience sampling'?

  1. Selecting easily accessible sample units, which may introduce bias
  2. A form of pure random sampling
  3. A method that guarantees representativeness
  4. A method used only in census data
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Answer: A. Convenience sampling selects readily available units, which can introduce sampling bias.

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