Statistics Vocabulary

Statistics Vocabulary

7th Grade

15 Qs

quiz-placeholder

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Statistics Vocabulary

Statistics Vocabulary

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is a Survey?

A method of collecting data by asking questions to a group of people.

A type of statistical analysis used to interpret data.

A process of conducting experiments in a controlled environment.

A technique for gathering information through observation.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is a Stratified Sample?

A sample that is divided into subgroups (strata) and random samples are taken from each stratum.

A sample that includes every member of the population.

A sample that is selected based on convenience and availability.

A sample that is taken from only one subgroup of the population.

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the difference between a sample and a population?

A sample is a subset of a population, used to make inferences about the population.

A sample is larger than the population and includes all members.

A sample is a random selection of the population that cannot be used for inferences.

A sample and a population are the same and can be used interchangeably.

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does it mean for a sample to be representative?

It means the sample accurately reflects the characteristics of the general population.

It means the sample is the largest possible size.

It means the sample is taken from a single location.

It means the sample includes only the most extreme cases.

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is Sampling Bias?

A bias that occurs when the sample is not representative of the population, leading to inaccurate conclusions.

A method of selecting a sample that ensures every individual has an equal chance of being chosen.

A technique used to improve the accuracy of survey results by increasing sample size.

A statistical error that occurs when the sample size is too small.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is a Systematic Sample?

A sample obtained by selecting every nth individual from a list or sequence.

A sample chosen randomly from a population without any specific method.

A sample that includes all individuals from a population.

A sample that is based on the convenience of the researcher.

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the importance of sample size?

A larger sample size generally leads to more accurate and reliable results.

A smaller sample size is always more cost-effective.

Sample size has no impact on the reliability of results.

Sample size only affects the speed of data collection.

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