this data set. An automobile dealership ran a radio ad campaign to help sell its least popular model. The dealership always used the same ad but broadcast it a different number of times each week. The sales manager tallied the number of ads broadcast each week, x, and the weekly sales of the model, y. Ads Sales 3 10 4 12 10 13 17 16 20 13

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Author:Amos Gilat
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Interpret the least squares regression line of
this data set.
An automobile dealership ran a
radio ad campaign to help sell its
least popular model. The
dealership always used the same
ad but broadcast it a different
number of times each week.
The sales manager tallied the
number of ads broadcast each
week, x, and the weekly sales of
the model, y.
Ads Sales
10
4
12
10
13
17
16
13
The correct least squares regression line for the
data set is:
y = 0.211x + 10.516
Use it to complete the following sentence:
For each additional ad, the least squares
regression line predicts
additional sales of the model.
20
3.
Transcribed Image Text:Interpret the least squares regression line of this data set. An automobile dealership ran a radio ad campaign to help sell its least popular model. The dealership always used the same ad but broadcast it a different number of times each week. The sales manager tallied the number of ads broadcast each week, x, and the weekly sales of the model, y. Ads Sales 10 4 12 10 13 17 16 13 The correct least squares regression line for the data set is: y = 0.211x + 10.516 Use it to complete the following sentence: For each additional ad, the least squares regression line predicts additional sales of the model. 20 3.
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