Visualizations of Data Test

Front

What is a dot plot?

Back

A dot plot is a statistical chart that consists of data points plotted on a simple scale, typically using dots to represent the frequency of data points.

Front

What is a stem-and-leaf plot?

Back

A stem-and-leaf plot is a method of displaying quantitative data in a graphical format, similar to a histogram, to retain the original data while showing its distribution.

Front

What does the 'shape' of a data set refer to?

Back

The 'shape' of a data set refers to the distribution pattern of the data points, which can indicate trends, clusters, and outliers.

Front

What is frequency in data analysis?

Back

Frequency refers to the number of times a particular data point or range of data points appears in a data set.

Front

What is the difference between a bar graph and a histogram?

Back

A bar graph displays categorical data with rectangular bars, while a histogram displays numerical data and shows the frequency of data points within specified ranges (bins).

Front

What are bins in a histogram?

Back

Bins are the intervals or ranges into which data points are grouped in a histogram, representing the frequency of data points within each range.

Front

What type of data is represented in a histogram?

Back

A histogram represents numerical data, showing the distribution of data points across different ranges.

Front

What is the purpose of a pie chart?

Back

A pie chart is used to represent the proportions of a whole, showing how different categories contribute to the total.

Front

How can the shape of data be visually represented?

Back

The shape of data can be visually represented using graphs such as histograms, dot plots, and stem-and-leaf plots.

Front

What is a categorical variable?

Back

A categorical variable is a type of variable that can take on one of a limited, fixed number of possible values, representing categories or groups.