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DA0-001 · Question #239

A data analyst needs to survey customers about their preferences for various types of soda. Which of the following sampling methods should the analyst use to collect the survey data?

The correct answer is A. Simple random sampling. Simple random sampling is the most appropriate method for a basic customer preference survey as it ensures every population member has an equal chance of selection, minimizing bias.

Data Analysis

Question

A data analyst needs to survey customers about their preferences for various types of soda. Which of the following sampling methods should the analyst use to collect the survey data?

Options

  • ASimple random sampling
  • BParameterization sampling
  • CIndex sampling
  • DSingle-stage sampling

How the community answered

(19 responses)
  • A
    89% (17)
  • B
    5% (1)
  • C
    5% (1)

Why each option

Simple random sampling is the most appropriate method for a basic customer preference survey as it ensures every population member has an equal chance of selection, minimizing bias.

ASimple random samplingCorrect

Simple random sampling ensures that every individual in the target population has an equal chance of being selected for the survey, making it an unbiased and straightforward method for collecting general customer preferences.

BParameterization sampling

Parameterization sampling is not a recognized standard statistical sampling method.

CIndex sampling

Index sampling is not a recognized standard statistical sampling method.

DSingle-stage sampling

Single-stage sampling is a broad term that refers to selecting elements directly without further stages, but simple random sampling is a more specific and fundamental method within this category.

Concept tested: Basic sampling methods

Topics

#Sampling methods#Data collection#Statistical sampling#Simple random sampling

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