STATISTICS - FINALS

Front

Is the variable quantitative or categorical? IQ score

Back

Quantitative

Front

Choose the correct order for the definition of statistics: Statistics is the science of ______, ______, ______, and ________ data in order to make decisions.

Back

Collecting, Organizing, Analyzing and Interpreting

Front

As x increases, y increases. What does this indicate?

Back

Positive correlation

Front

What is the mode?

Back

The value that occurs most frequently in a data set.

Front

Find the median of the data set: 18, 19, 17, 14, 20, 20, 15, 21

Back

18.5

Front

What is a quantitative variable?

Back

A variable that can be measured numerically.

Front

What is a categorical variable?

Back

A variable that represents categories or groups.

Front

Define the term 'mean'.

Back

The average of a set of numbers, calculated by dividing the sum of the values by the number of values.

Front

What is a sample in statistics?

Back

A subset of a population used to represent the whole population.

Front

What does the term 'population' refer to in statistics?

Back

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