A particular professor has noticed that the number of people, P, who complain about his attitude is dependent on the number of cups of coffee, n, he drinks. From eight days of tracking he compiled the following data: People (P) Cups of coffee (n) 10 1 11 1 10 2

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Author:Amos Gilat
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A particular professor has noticed that the number of people, P, who complain about his attitude is
dependent on the number of cups of coffee, n, he drinks. From eight days of tracking he compiled the
following data:
Реople (P)
Cups of coffee (n)
10
1
11
1
10
2
9
3
6
4
4
4
5
4
5
16
14
13
12
10
Unless otherwise stated, you can round values to two decimal places.
a) Using regression to find a linear equation for Number of People in terms of n P(n) (Keep at least 3
decimals)
P(n) =
b) Find the correlation coefficient
T =
..
Transcribed Image Text:A particular professor has noticed that the number of people, P, who complain about his attitude is dependent on the number of cups of coffee, n, he drinks. From eight days of tracking he compiled the following data: Реople (P) Cups of coffee (n) 10 1 11 1 10 2 9 3 6 4 4 4 5 4 5 16 14 13 12 10 Unless otherwise stated, you can round values to two decimal places. a) Using regression to find a linear equation for Number of People in terms of n P(n) (Keep at least 3 decimals) P(n) = b) Find the correlation coefficient T = ..
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