Understanding Scatter Plots

This video lesson on scatter plots is designed for a flipped classroom setting. It covers the definition and construction of scatter plots, explaining the relationship between independent and dependent variables. The lesson includes important vocabulary, steps to create a scatter plot, and examples to practice graphing ordered pairs. Students are encouraged to take notes and pause the video as needed to understand the material.

What is a scatter plot used for?

• To create a pie chart

• To compare more than three variables

• To display a single data point

• To show a relationship between two sets of data

Which variable is typically placed on the x-axis in a scatter plot?

• Constant variable

• Random variable

• Independent variable

• Dependent variable

What does a scatter plot indicate if the points form a line?

• A circular relationship

• A strong relationship

• No relationship

• A weak relationship

What is the first step in creating a scatter plot?

• Label the axes

• Draw a coordinate plane

• Choose a scale

• Plot the points

Where should the dependent variable be placed on a scatter plot?

• In the legend

• In the title

• On the y-axis

• On the x-axis

How do you determine the scale for the axes in a scatter plot?

• By using the average of data points

• By using the smallest data point

• By guessing

• By using the largest data point

What is the purpose of plotting ordered pairs on a scatter plot?

• To create a bar graph

• To visualize the relationship between variables

• To calculate averages

• To list data points

In the example of time and temperature, which is the independent variable?

• Neither is independent

• Temperature

• Time

• Both are independent

What should you do if your data points are not exact on a scatter plot?

• Change the data

• Ignore them

• Remove the points

• Approximate as closely as possible

What can be inferred if the points on a scatter plot are close together?

• The variables are independent

• The data is incorrect

• There is a strong relationship

• There is no relationship