The local coffee shop keeps track of how much coffee they sell versus the temperature on that day, here are their figures:   Sales in Php (x) 1593 1725 1390 1369 1276 1248 Temp in Celsius (y) 31.4 28.1 26.8 25 22.4 22

MATLAB: An Introduction with Applications
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The local coffee shop keeps track of how much coffee they sell versus the temperature on that day, here are their figures:

 

Sales in Php (x)

1593

1725

1390

1369

1276

1248

Temp in Celsius (y)

31.4

28.1

26.8

25

22.4

22

 

 

What is the value of Σx²?

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