Data and Charts

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights or lengths to compare quantities.

Front

What does a line graph represent?

Back

A line graph shows data points connected by lines, illustrating trends over time.

Front

Define 'mean' in statistics.

Back

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

Front

What is a pie chart?

Back

A pie chart is a circular graph divided into slices to illustrate numerical proportions.

Front

Explain the term 'data set'.

Back

A data set is a collection of related data points or values, often organized in a table.

Front

What is the purpose of a legend in a graph?

Back

A legend explains the symbols, colors, or patterns used in a graph to represent different data series.

Front

How do you calculate the range of a data set?

Back

The range is calculated by subtracting the smallest value from the largest value in the data set.

Front

What is a histogram?

Back

A histogram is a type of bar graph that represents the frequency distribution of numerical data.

Front

Define 'median'.

Back

The median is the middle value in a data set when the numbers are arranged in order.

Front

What is a scatter plot?

Back

A scatter plot displays values for two variables as points on a graph, showing the relationship between them.