Dot Plots & Frequency Tables (4.9A)

Front

What is a dot plot?

Back

A dot plot is a simple way to display data using dots above a number line, where each dot represents one data point.

Front

How do you create a dot plot?

Back

To create a dot plot, draw a number line and place a dot above the number for each data point.

Front

What is a frequency table?

Back

A frequency table is a way to organize data that shows how often each value occurs.

Front

How do you read a frequency table?

Back

To read a frequency table, look at the values in the first column and their corresponding counts in the second column.

Front

What does the term 'frequency' mean in data representation?

Back

Frequency refers to the number of times a particular value appears in a data set.

Front

What is the purpose of using a dot plot?

Back

The purpose of using a dot plot is to visualize data and easily see patterns, trends, and frequencies.

Front

How can you find the mode from a dot plot?

Back

The mode is the value that appears most frequently, which can be seen as the tallest stack of dots in a dot plot.

Front

What is the difference between a dot plot and a bar graph?

Back

A dot plot uses dots to represent individual data points, while a bar graph uses bars to show the frequency of data in intervals.

Front

How do you determine the greatest frequency from a frequency table?

Back

To determine the greatest frequency, look for the highest number in the frequency column.

Front

What does it mean if a frequency table has a value with a frequency of 0?

Back

A frequency of 0 means that the value did not occur in the data set.