Compare your results in Exercise 39 with the equation of the regression line and its graph in Exercise 37. Which equation is a better model for the data? Explain.

Use the data shown in the table given below, which shows the number of bacteria present after a certain number of hours.
Number of hours, x ...................... Number of bacteria, y
1 ……………………………......................…………. 165
2 ……………………......................…………………. 280
3 ………......................………………………………. 468
4 …………......................……………………………. 780
5 …………......................……………………………. 1310
6 ……………………………......................…………. 1920
7 …………......................……………………………. 4900