Statistical Graphs and Charts

Front

What is a statistical graph?

Back

A visual representation of data that helps to identify patterns, trends, and relationships.

Front

What is a bar chart?

Back

A graph that represents categorical data with rectangular bars, where the length of each bar is proportional to the value it represents.

Front

What is a pie chart?

Back

A circular graph divided into slices to illustrate numerical proportions, where each slice represents a category's contribution to the whole.

Front

What is a line graph?

Back

A type of chart that displays information as a series of data points called 'markers' connected by straight line segments, often used to show trends over time.

Front

What is a Venn diagram?

Back

A diagram that shows all possible logical relations between a finite collection of different sets, often used to illustrate the similarities and differences between groups.

Front

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

Back

The average of a set of numbers, calculated by adding all the values together and dividing by the number of values.

Front

What is the 'median' in a data set?

Back

The middle value when a data set is ordered from least to greatest; if there is an even number of observations, it is the average of the two middle numbers.

Front

What is a mode in statistics?

Back

The value that appears most frequently in a data set.

Front

How do you interpret a histogram?

Back

A graphical representation of the distribution of numerical data, where the area of each bar is proportional to the frequency of the data within that range.

Front

What is a scatter plot?

Back

A graph that uses dots to represent the values obtained for two different variables, showing how much one variable is affected by another.