(Solved by Humans)-A random sample of 4 professional athletes produced the following
Question
A random sample of 4 professional athletes produced the following data where x is the number of endorsements the player has and y is the amount of money made (in millions of dollars).
| X | 0 | 1 | 2 | 5 |
| y | 1 | 2 | 4 | 8 |
(a) Find an equation of the least squares regression line. Show all work; writing the correct equation, without supporting work, will receive no credit.
(b) Based on the equation from part (a), what is the predicted value of y if x = 3? Show all work and justify your answer.
x
sum
y
x*y
x*x
0
3
0
0
1
2
2
1
3
3
9
9
5
8
40
25
9
16
51
35
y=a +b x
y = 1.711864407 + 1.016949153 x...
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