Question

The scatter plot below displays the elevation and mean number of clear days per year of 14 U.S. cities. Two lines

are shown on the scatter plot. Which represents the least squares line? Explain your choice.
Line 1
175
150
Line 2
125
Mean Number dear Days
100)
75
50
25
0
1000
2000
3000
Elevation above sea level (feet)
4000
5000
6000

Answer 1

=

Explanation:

Students use the least squares regression line to make predictions. ... Example 1 (2 minutes): Using a Line to Describe a Relationship ... the model given in the student lesson to predict a man's height using a shoe length of ... Below is a scatter plot of the data with two linear models, ... in Exercise 3 that represents this man