Scatter Plots Slope and Y Intercept

• Positive

• Negative

• None

• Positive

• Negative

• None

• The more you miss school the higher your grade will be.

• The more days that you are absent the lower your grade will be.

• There is no correlation between days absent and your grade.

Looking at the graph showing a line of best fit, what is the correlation shown?

• Length of life is constant

• Length of life increases as amount of sunlight increases

• Length of life increases as amount of sunlight decreases

• Length of life decreases as amount of sunlight increases

What type of association does this graph have?

• positive 

• negative

• none

• all of the above

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours

• 35 hours

• 45 hours

• 15 hours

a graph with points plotted to show a possible relationship between two sets of data

• Trend line

• scatter plot

• slope

• y intercept

the y-coordinate of the point where the graph of a line crosses the y-axis. (x is always 0 and y can be any number)

• Trend line

• Scatter plot

• Slope

• y intercept

the line on a scatter plot that help show the correlation between data sets more clearly

• y-intercept

• Trend line

• slope

• Scatter plot

a measure of the steepness of a line on a graph; the rise divided by the run

• Trend line

• Scatter plot

• Slope

• y intercept