The proprietor of Cypres Recordings investigated the relationship between sales (y) and the amount spent on advertising (x). A random sample of 3 Recordings gives the following information. (x1) = 10, (y1) = 33, x2= 20, y2 = 28, x3 = 28, y3-30 To estimate the regression equation, the slope is equal to?

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QUESTION 12
The proprietor of Cypres Recordings investigated the relationship between sales (y) and the amount spent on advertising (x).
A random sample of 3 Recordings gives the following information.
(x1) = 10, (y1) = 33, x2= 20, y2 = 28, x3 = 28, y3=30
To estimate the regression equation, the slope is equal to?
(Round answer to three decimal places ex. 2.091)
-0.180
Transcribed Image Text:QUESTION 12 The proprietor of Cypres Recordings investigated the relationship between sales (y) and the amount spent on advertising (x). A random sample of 3 Recordings gives the following information. (x1) = 10, (y1) = 33, x2= 20, y2 = 28, x3 = 28, y3=30 To estimate the regression equation, the slope is equal to? (Round answer to three decimal places ex. 2.091) -0.180
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