At a recent retirement party, Bridget was charged with collecting money to be split 50-50 between a
Question: At a recent retirement party, Bridget was charged with collecting money to be split 50-50 between a raffle winner and a kidney illness foundation. After seeing how the money was coming in, Bridget thought there might be a relationship between the age of the donator, and the amount of money being given by the donator, given below:
Age, x | 31 | 35 | 62 | 50 | 52 | 61 | 29 | 44 | 38 | 53 | 66 | 73 | 48 | 57 |
Amount donated, y | 20 | 25 | 25 | 70 | 60 | 20 | 15 | 55 | 45 | 55 | 30 | 10 | 65 | 30 |
(a) Find the line of best fit.
(b) Compute linear correlation coefficient – is there a linear relationship?
(c) Predict the value of y when x = 45.
Solution:

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Deliverables: Word Document
