Scatter Plot Associations and Outliers

This video tutorial explains scatter plots and their types of associations: positive, negative, and no association. It covers key vocabulary such as linear, nonlinear, outlier, cluster, and trend line. The video provides practical examples and exercises to identify associations, strength, and linearity in scatter plots. It also includes real-world scenarios and student survey data analysis to reinforce learning.

What type of association is present when both variables increase together?

• Negative Association

• Positive Association

• No Association

• Inverse Association

Which term describes a scatter plot where points are close together?

• Weak

• Nonlinear

• Strong

• Random

What is an outlier in the context of scatter plots?

• A point that fits the pattern

• A point that is at the center

• A point that is part of a cluster

• A point that is separate from the rest

In a scatter plot, if the points form a straight line, what is it called?

• Clustered

• Linear

• Random

• Nonlinear

Which association is represented by a scatter plot where one variable increases and the other decreases?

• Positive Association

• Negative Association

• Direct Association

• No Association

What type of association exists between the size of a home and its utility costs?

• No Association

• Positive Association

• Inverse Association

• Negative Association

If a scatter plot shows no discernible pattern, what type of association is it?

• Positive Association

• Negative Association

• No Association

• Inverse Association

In a survey of chores and allowance, if both decrease together, what is the association?

• No Association

• Negative Association

• Inverse Association

• Positive Association

What is the term for a line that best fits the data points in a scatter plot?

• Outlier

• Cluster

• Trend Line

• Random Line

Which city is considered an outlier in the population and elementary schools data?

• Lawton

• Glenn Falls

• Cheyenne

• Dalton