dot plots and histograms

Front

What is a dot plot?

Back

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

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points within specified ranges (bins).

Front

How do you calculate the percentage of a specific range in a data set?

Back

To calculate the percentage, divide the number of data points in the range by the total number of data points, then multiply by 100.

Front

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

How do you interpret a dot plot?

Back

A dot plot shows the distribution of data points, allowing you to see how many times each value occurs and identify trends.

Front

What does a histogram tell you about a data set?

Back

A histogram shows the frequency distribution of data, helping to visualize the shape, center, and spread of the data.

Front

What is the mode of a data set?

Back

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

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 find the frequency of a specific value in a dot plot?

Back

Count the number of dots that correspond to that specific value.

Front

What is a bin in a histogram?

Back

A bin is a range of values that groups data points together in a histogram.