Write the equation of the line for predicting Sales (Y) using the amount of Advertising (X) as the pre- dictor.
Find the correlation and use it to make a statement, in your own words, about the quality of the predic- tion line.
Advertising dollars
Sales
5.5
100
5.8
110
6.0
112
5.9
115
6.2
117
6.3
116
6.5
118
6.6
120
6.4
121
6.7
6.8
123
5.4
108
119
6.9
122
7.0
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