Interpreting Dot Plots

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.

Front

How do you find the average of a set of numbers?

Back

Add up all the items and divide by the number of items in the set.

Front

What is the range of a set of numbers?

Back

The range is the difference between the largest and smallest numbers in the set.

Front

What is another word for average?

Back

Mean.

Front

How do you find the median of a set of numbers?

Back

Arrange the numbers in order and find the middle value.

Front

What does the mode represent in a dataset?

Back

The mode is the number that appears most frequently in a dataset.

Front

If a dataset has the numbers 10, 20, 20, 30, 40, what is the mode?

Back

20.

Front

What is the median of the following set: 3, 1, 4, 2, 5?

Back

The median is 3.

Front

How many students scored 94% if the dot plot shows 2 dots at 94?

Back

2 students.

Front

What is the first step in creating a dot plot?

Back

Identify the data points you want to represent.