Dot Plots & Histograms

Front

What is a dot plot?

Back

A dot plot is a statistical chart that consists of dots plotted on a number line, representing the frequency of data points.

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, using bars to show the frequency of data within specified intervals.

Front

How do you determine the mode from a dot plot?

Back

The mode is the value that appears most frequently in the dot plot.

Front

What does the height of a bar in a histogram represent?

Back

The height of a bar in a histogram represents the frequency of data points within that interval.

Front

What is the purpose of using a dot plot?

Back

Dot plots are used to visualize small sets of data and to identify patterns, trends, and outliers.

Front

How can you find the median from a dot plot?

Back

To find the median, arrange the data points in order and identify the middle value.

Front

What is the difference between a dot plot and a histogram?

Back

A dot plot displays individual data points, while a histogram groups data into intervals and shows frequency.

Front

What is frequency in the context of histograms?

Back

Frequency refers to the number of times a particular value or range of values occurs in a dataset.

Front

How do you create a histogram from a dataset?

Back

To create a histogram, divide the data into intervals (bins) and count how many data points fall into each interval.

Front

What is an outlier in a dot plot?

Back

An outlier is a data point that is significantly different from the other points in the dataset.