IGCSE Development Studies: Specimen Questions with Answers 41 - 42 of 98

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Research Methodology

Question 41 (6 of 7 Based on Passage)

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“Error which arises due to only a sample being used to estimate the population parameter.” Explain the statement.

Explanation

“Error which arises due to only a sample being used to estimate the population parameter.” This statement is about sampling errors, Sampling errors refers to the difference between the sample and the population that exist only because of observation that happened to be selected for the sample. By increasing the size of the sample, the sampling error can be reduced. Sampling errors occur due to the inherent errors in the sample of the population.

Types of Sampling Error

Question 42 (7 of 7 Based on Passage)

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State the purpose why investigation is carried out?

Explanation

The Purpose of Research Involves

  • Collecting and collating information
  • Extension of knowledge of human beings, social life, and environment (What-Where-Why)
  • Bringing light to information that might never be discovered fully during the ordinary course of life.
  • Establishment of generalizations and general laws a contribution to theory building in various fields of knowledge.
  • Verification and testing of existing facts and theory.
  • Analyzing and reporting the findings
  • Research helps identify
  • Factors that affect the choice of the consumers such as cost, color.
  • Consumer preferences within certain target groups.

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