Prob and Stat - FINALS PRACTICE #1

Front

What is the term in statistics for the entire collection or group of individuals being studied?

Back

Population

Front

Explain the concept of ordinal data with an example.

Back

Ordinal data is data that represents rankings or order, such as education levels.

Front

Which choice best represents a statistic in the context of customer experience?

Back

The percentage of customers surveyed that reported a positive experience.

Front

Define the term 'nominal data' with an example.

Back

Nominal data represents non-ordered categories, such as types of cars.

Front

Which choice best represents a parameter in the context of public opinion on pollution?

Back

Percentage of all people in the state who thought the pollution was too high.

Front

What is the difference between a sample and a population in statistics?

Back

A sample is a subset of individuals selected from a population.

Front

What type of data is represented by categories without a natural order?

Back

Nominal data.

Front

What type of data is represented by categories with a meaningful order?

Back

Ordinal data.

Front

What is a statistic?

Back

A statistic is a numerical value that describes a characteristic of a sample.

Front

What is a parameter?

Back

A parameter is a numerical value that describes a characteristic of a population.