Answer
(a) Using the data provided, we can plot each point on the graph (see the image below)
(b) $y=4.86x-221$
(c) Chirping rate at $100°F$ equals to $265 chirps/min$
Work Step by Step
(a) We simply input all the data provided (see the image: blue dots)
(b) Using the Regression Line Calculator, we can graph the line with the data provided. We then get:
$m=4.85667\approx4.86$
$b=-220.96667 \approx -221$
So, we will get the linear equation:
$y=4.86x-221$ (see red line in graph)
(c) To calculate the chirping rate at 100°F, we can simply input it in the equation formed in (b):
$y=4.86\times100-221=265$
