Statistics 1.1-1.3

Front

What is inferential statistics?

Back

Inferential statistics involves the technique of interpreting the values resulting from descriptive techniques and making decisions and drawing conclusions about the population.

Front

What is the population in a survey of 500 adults in the U.S. that found 54% drink coffee daily?

Back

The population is the collection of all adults in the U.S.

Front

What does descriptive statistics involve?

Back

Descriptive statistics involves the collection, presentation, and description of sample data.

Front

What is the level of measurement for the salaries of nurses at a hospital?

Back

The level of measurement is Ratio.

Front

What is the definition of statistics?

Back

Statistics is the universal language of the sciences that involves information, numbers, visual graphics to summarize information and its interpretation. It is the science of collecting, describing, and interpreting data.

Front

What is a sample in statistics?

Back

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

Front

What is the difference between population and sample?

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 variable in statistics?

Back

A variable is any characteristic, number, or quantity that can be measured or counted.

Front

What are the two main types of statistics?

Back

The two main types of statistics are descriptive statistics and inferential statistics.

Front

What is a hypothesis in statistics?

Back

A hypothesis is a statement that can be tested and is often used to make predictions about a population based on sample data.