Tag: population and sampling

Quizzes (0) Questions (15)

Questions Related to population and sampling

Multiple choice business mathematics and statistics sampling methods population and sampling basic concepts of sampling sampling techniques and statistical inference

State whether the following statements are 'true' or 'false':
A sampling method that divides the population into homogeneous groups from which random samples are drawn is known as systematic sampling.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Dividing a population into homogeneous subgroups (strata) and drawing random samples from each is known as stratified random sampling, not systematic sampling. Therefore, the statement is false.

Multiple choice business mathematics and statistics sampling methods population and sampling basic concepts of sampling sampling techniques and statistical inference

State whether the following statements are 'true' or 'false':
In simple random sampling method, each unit of the population has an equal chance of being included in the sample.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Simple random sampling is defined by the property that every unit in the population has an equal probability of being selected.

Multiple choice business mathematics and statistics sampling methods population and sampling basic concepts of sampling sampling techniques and statistical inference

State whether the following statements are 'true' or 'false':
When properties of the units of the population have more dissimilarities, the use of stratified random sampling method is advantageous. 

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Stratified sampling is used to reduce variance when the population is heterogeneous by grouping similar units together.

Multiple choice business mathematics and statistics sampling methods population and sampling basic concepts of sampling sampling techniques and statistical inference

Population are unlimited in size are referred to as____________.

  1. infinite populations.

  2. finite populations.

  3. census method.

  4. none of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Population refers to an entire set of people or objects present for the purpose of gathering data and when the population is unlimited in size i.e. it cannot be ascertained easily, it is known as infinite population.