You collect data on 50 randomly selected individuals to determine how important income (x)is in determining charitable donations (y) by individuals. Income is measured in thousands of dollars and...

Extracted text: You collect data on 50 randomly selected individuals to determine how important income (x)is in determining charitable donations (y) by individuals. Income is measured in thousands of dollars and charitable donations is measured in dollars. You find the following. n n > Xiyi = 555525, > x; = 182985, = 2200040, i=1 i=1 i=1 What is the expected average increase in charitable donations given a ten thousand dollar increase in income? Select one: а. 0.1504 dollars O b. 1.5038 dollars С. 3.0415 dollars d. 4.2136 dollars e. 42.1359 dollars