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darlenepitre
darlenepitre
03.12.2019 • 
Mathematics

The data in the table show how long in minutes, t) it takes several commuters to drive to work. find the
correlation coefficient and the equation of the line of best fit for the data. treat the commute distance d as the
independent variable.
20
20
20
29
34
39
29
34
50
commute distance
(miles)
commute time
(minutes)
25
24
30
27
35
35
46
50
52
o
r=0.75
t = 0.70 +5.5
o
r=0.75
t = 0.8d + 11.5
o
r=0.56
0.8d + 11.5
or=0.56
t=0.70 +5.5

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