Description
I am attaching one problem solving question and it's answer as well you need to find the linear regression, 95% confidence intervals, Goodness to fit, Is slope significantly non- zero. So, basically everything what is given in the answers I need to know the solution how they got to that answer with the table that I am attaching to this
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Explanation & Answer
This document contains all the answers in your first image, together with the formulae and the step-by-step working used to get them. If you don't understand something, please ask me. Also, if you're having trouble understanding a symbol, it might help to compare the value to your answers to see which answer in your list it matches with. If you still don't understand something, don't hesitate to ask me.
Customers
x
Temperature
y
x2
y2
xy
15
8
225
64
120
23
16
529
256
368
21
14
441
196
294
19
10
361
100
190
Σ𝑥 = 78
Σy = 48
Σx 2 = 1556
Σy 2 = 6...
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