Dean, Dixon, Jones, and Baxter Unit 3 Vocabulary

What is bivariate data?

• Data with three variables

• Data with two variables

• Data with one variable

• Data with no variables

What type of relationship produces a straight line when graphed?

• Nonlinear Relationship

• Positive Association

• Linear Relationship

• Negative Association

What is a nonlinear association?

• A graph that is a straight line

• A graph that is not a straight line

• A graph with no points

• A graph with only one point

In a positive association, what happens to the variables?

• One increases, the other decreases

• Both decrease

• Both increase; the graph appears to move upward from left to right

• No change

What describes a negative association?

• Both variables increase

• One variable increases, the other decreases; the graph appears to move downward negatively from left to right

• Both variables decrease

• No relationship

What is a scatter plot?

• A graph with a single point

• A graph of plotted points showing relationships between two sets of data

• A graph with no points

• A graph with only lines

What does the slope of a line represent?

• The color of the line

• The length of the line

• How steep the line is; rise over run

• The width of the line

What is a statistical investigative question?

• A question with no answer

• A question that can be answered with data

• A question about history

• A question about art

What is the line of best fit?

• A line that connects all points

• A line showing the general direction of points

• A line with no points

• A line that is horizontal

Where does the x-intercept occur?

• Where the line crosses the y-axis

• Where the line crosses the x-axis

• At the origin

• At the midpoint