Dot plots and 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 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 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

How can you find the mode in a set of data?

Back

The mode is the value that appears most frequently in a data set.

Front

What is the purpose of using a dot plot?

Back

Dot plots are used to display small sets of data and to visualize the distribution and frequency of data points.

Front

What is an interval in a histogram?

Back

An interval in a histogram is a range of values that groups data points together for frequency counting.

Front

How do you read a dot plot?

Back

To read a dot plot, count the number of dots above each value on the number line to determine the frequency of each data point.

Front

What is the median of a data set?

Back

The median is the middle value when the data points are arranged in ascending order.

Front

How do you calculate the frequency of a specific interval in a histogram?

Back

Count the number of data points that fall within that interval.