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9. Please calculate the correlation coefficient using the following data. Advertising Sales X Y 9 5 3 6 6 8 8 11 7 12 X$^2$ Y$^2$ XY 

          9. Please calculate the correlation coefficient using the following data.
Advertising Sales
X	Y
9	5
3	6
6	8
8	11
7	12
X$^2$	Y$^2$	XY
9. Please calculate the correlation coefficient using the following data. Advertising Sales X Y 9 5 3 6 6 8 8 11 7 12 X^2 Y^2 XY

Added by Derrick S.

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Elementary Statistics a Step by Step Approach
Elementary Statistics a Step by Step Approach
Allan G. Bluman 9th Edition
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Please calculate the correlation coefficient using the following data: Advertising (X) 9 3 6 8 7 Sales (Y) 5 6 8 11 12 X² Y² XY 9 5 3 6 6 8 8 11 12
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Transcript

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00:01 This problem says a researcher wants to determine whether there's a relationship between advertising and sales for our xy chart, and we were given the following data in the xy chart as our inputs of 3, 6, 4, 8, 5, 8, 9, 7 to go along with the outputs for y of 9, 11, 9, 8, 12, 13, 14, 15.
00:18 And what we're asked to find is the correlation coefficient, what it's equal to...
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