Question

using equations to represent trend lines
determining the equation of a trend line
use the points to describe the data and determine the line
of best fit.
what type of correlation do the data points represent?

Explanation:

Step1: Recall correlation concepts

Positive correlation: as one variable increases, the other increases. Negative correlation: as one variable increases, the other decreases. No correlation: no clear pattern.

Step2: Analyze the scatter - plot

Looking at the scatter - plot of elevation (x - axis) and temperature (y - axis). As elevation (x) increases, temperature (y) decreases.

Answer:

negative