Scatter Plots and Line of Best Fit Review

What is another term for trend line? (a)  

• Straight line

• Linear

• Line of Best Fit

Which scatter plot(s) could be used to show the relationship between a person's age and a person's height?

• 3

• 4

• 5

• 6

Which scatter plot(s) could be used to show the relationship between a person's age and the number of syllables in a person's first and last name?

• 3

• 4

• 5

• 6

How do I determine the y-intercept of the trend line from a graph?

• look where the line crosses the y-axis

• use the slope formula

Write the equation of the trend line in slope-intercept form.

Write an equation of the trend line in slope-intercept form.

Write an equation of the trend line in slope-intercept form.

A group of hikers is descending, and the elevation of several of the hikers after a certain number of minutes is shown in the scatter plot.

True or False:

The group of hikers descends about 250 feet every minute.

Hint: What's the unit rate, slope?

• True

• False

A group of hikers is descending, and the elevation of several of the hikers after a certain number of minutes is shown in the scatter plot.

The hikers began at an elevation of _____ feet.

A group of hikers is descending, and the elevation of several of the hikers after a certain number of minutes is shown in the scatter plot.

True or False:

There are several outliers in the scatter plot.

• True

• False