Is the magnitude of an earthquake related to the depth below the surface at whic

Is the magnitude of an earthquake related to the depth below the surface at which the quake occurs? Let x be the magnitude of an earthquake (on the Richter scale), and let y be the depth (in kilometers) of the quake below the surface at the epicenter. 
) Use a calculator to verify that Σx = 24.3, Σx2 = 88.55, Σy = 53.7, Σy2 = 457.65 and Σxy = 193.57.
Compute r. (Round to 3 decimal places.)

"Get 15% discount on your first 3 orders with us"
Use the following coupon
"FIRST15"

Order Now