Statistics

Front

What is a discrete variable?

Back

A quantitative variable that can assume a countable number of values, in other words, there is a gap between any two values.

Front

What is a continuous variable?

Back

A quantitative variable that can assume an uncountable number of values, in other words, it includes every possible value between any two values.

Front

What defines an infinite population?

Back

The membership in the population is unlimited.

Front

What defines a finite population?

Back

A population that can be physically listed.

Front

What is a variable (or response variable)?

Back

A characteristic of interest about each individual element of a population or sample.

Front

What is the difference between qualitative and quantitative variables?

Back

Qualitative variables describe characteristics or qualities, while quantitative variables represent numerical values.

Front

What is a sample in statistics?

Back

A subset of a population used to represent the entire group.

Front

What is a population in statistics?

Back

The entire group of individuals or instances about whom we hope to learn.

Front

What is the purpose of statistical inference?

Back

To make conclusions about a population based on sample data.

Front

What is a parameter in statistics?

Back

A numerical characteristic or measure obtained by using all the data values from a specific population.