Math Problem Statement

What is the definition of a simple random sample?

A simple random sampling is a convenient sample of size n from a population N.

A simple random sampling is a sample of size n from a population N where each person is guaranteed to be chosen at least once.

A simple random sampling is an independent sample of size n from a population N where each person has the same chance of being chosen.

A simple random sampling is a sample of size n from a population n where each person is guaranteed to be chosen.

Solution

The correct definition of a simple random sample is:

"A simple random sampling is an independent sample of size nn from a population NN where each person has the same chance of being chosen."

Explanation:

  • In a simple random sample, every individual in the population has an equal probability of being selected.
  • The selection process is independent, meaning the choice of one individual does not influence the choice of another.
  • This ensures that the sample is representative of the population, provided the sample size nn is sufficient.

Would you like more examples or an explanation on how to apply this concept?

Related Questions:

  1. What is the difference between a simple random sample and a stratified random sample?
  2. How can we generate a simple random sample using statistical software like Excel or Python?
  3. Why is independence important in simple random sampling?
  4. What are some practical challenges in achieving a truly simple random sample?
  5. How does sample size nn impact the accuracy of conclusions drawn from a simple random sample?

Tip:

When creating a simple random sample, use random number generators or software tools to ensure fairness and avoid selection bias.

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Math Problem Analysis

Mathematical Concepts

Statistics
Simple Random Sampling
Probability

Formulas

Equal probability: P(selection) = 1/N for all individuals in the population

Theorems

Law of Large Numbers
Random Sampling Theorem

Suitable Grade Level

Grades 9-12