Dot plots and histograms

Front

What is a dot plot?

Back

A dot plot is a statistical chart that uses dots to represent the frequency of data points in a dataset. Each dot represents one occurrence of a value.

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, where the data is divided into intervals (bins) and the frequency of data points in each interval is represented by the height of bars.

Front

How do you read a dot plot?

Back

To read a dot plot, count the number of dots above each value on the horizontal axis. The height of the dots indicates the frequency of each value.

Front

How do you read a histogram?

Back

To read a histogram, look at the height of the bars to determine the frequency of data points within each interval. The width of the bars represents the range of values in that interval.

Front

What is the purpose of using a dot plot?

Back

Dot plots are used to display small sets of data clearly and to show the distribution of data points, making it easy to identify patterns or outliers.

Front

What is the purpose of using a histogram?

Back

Histograms are used to visualize the distribution of larger datasets, allowing for the identification of trends, central tendencies, and variations in the data.

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 the frequency of data points within those 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, represented by the highest stack of dots.

Front

How do you determine the mode from a histogram?

Back

The mode is the interval with the highest bar in the histogram, indicating the range where the most data points fall.

Front

What is an interval in a histogram?

Back

An interval in a histogram is a range of values that groups data points together, allowing for the visualization of frequency within that range.