Write an equation for the best-fit line. Find the correlation coefficient and explain what it tells us about the relationship between experience and teacher salary.

Question

This is the table

Years Experience	1	5	10	15	20
Salary (thousands of dollars)	28	31	42	49	64

Answer 1

Software says:

y = 1.885615 x + 23.56672

R=.98442

coefficient R=0.98442 says the linear model is a good fit for the data

Salary increases 1885.62 per every year