Arnold records the number of chirps per minute ( x) that crickets make at different temperatures (y) in degrees Fahrenheit.
He determines that the association is linear and that the line of best fit is
y= }x+60
What is the interpretation of the slope and y-intercept of this equation?
90
80
70
60
Temperature (°F)
50
40
30
20
10
5 10 15 20 25 30 35 40 45
Chirps per minute