Random Sampling

Random Sampling

Assessment

Flashcard

Mathematics

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is random sampling?

Back

Random sampling is a technique used to select a subset of individuals from a larger population, where each individual has an equal chance of being chosen.

2.

FLASHCARD QUESTION

Front

Why is it important for a sample to be representative?

Back

A representative sample accurately reflects the characteristics of the larger population, allowing for valid conclusions to be drawn from the data.

3.

FLASHCARD QUESTION

Front

What is a biased sample?

Back

A biased sample is one that does not accurately represent the population, often due to the method of selection.

4.

FLASHCARD QUESTION

Front

What is the difference between a random sample and a convenience sample?

Back

A random sample is selected using a method that gives all individuals an equal chance of being chosen, while a convenience sample is selected based on ease of access.

5.

FLASHCARD QUESTION

Front

What is stratified sampling?

Back

Stratified sampling involves dividing the population into subgroups (strata) and randomly selecting samples from each stratum.

6.

FLASHCARD QUESTION

Front

What is the purpose of using random sampling in surveys?

Back

The purpose is to minimize bias and ensure that the sample reflects the diversity of the population.

7.

FLASHCARD QUESTION

Front

What does it mean if a sample is too small?

Back

A sample that is too small may not accurately represent the population, leading to unreliable results.

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