The common cricket can be used as a crude thermometer. The colder the temperature, the slower the rate of chirping. The table below shows the average chirp rate of a cricket at temperatures.
Chirps per second | Temp
3.8 71.2
2.3 52
2.2 48.9
1.1 34.5
1.5 53.8
1.2 42.9
Select one:
a. y ≈ 13.59 + 28.18x
b. y ≈ 11.09 + 28.18x
c. y ≈ 28.18 + 11.09x
d. y ≈ 28.18 + 13.59x