12/17 Test

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically involving variables.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something.

Front

How do you find the unit rate from an equation?

Back

To find the unit rate from an equation of the form y = kx, the unit rate is the value of k.

Front

What is a sample in statistics?

Back

A sample is a subset of a population used to represent the whole population in statistical analysis.

Front

What is the difference between a sample and a population?

Back

A population includes all members of a specified group, while a sample is a smaller group selected from the population.

Front

What is a survey?

Back

A survey is a method of collecting data by asking people questions to gather information about their opinions or behaviors.

Front

What is a census?

Back

A census is an official count or survey of a population, typically recording various details of individuals.

Front

What does it mean to represent data?

Back

To represent data means to display it in a way that makes it easier to understand, such as through charts or graphs.

Front

What is the purpose of sampling in research?

Back

The purpose of sampling is to gather information about a population without having to study every individual.

Front

What is the importance of a representative sample?

Back

A representative sample accurately reflects the characteristics of the population, leading to valid conclusions.