an experiment was conducted in order to letermine if cerebral blood flow in human eings can be predicted from arterial oxygen ension (millimeters of mercury). Fifteen atients participated in the study, and the

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An experiment was conducted in order to
determine if cerebral blood flow in human
beings can be predicted from arterial oxygen
tension (millimeters of mercury). Fifteen
patients participated in the study, and the
following data were collected:
Blood Flow, Arterial Oxygen
Tension, a
Y
84.33
87.80
82.20
78.21
78.44
80.01
83.53
79.46
75.22
76.58
77.90
78.80
80.67
86.60
78.20
603.40
582.50
556.20
594.60
558.90
575.20
580.10
451.20
404.00
484.00
452.40
448.40
334.80
320.30
350.30
Estimate the "b" in the quadratic regression
equation: y=a+bx+cx². Use 2 decimal places.
Transcribed Image Text:An experiment was conducted in order to determine if cerebral blood flow in human beings can be predicted from arterial oxygen tension (millimeters of mercury). Fifteen patients participated in the study, and the following data were collected: Blood Flow, Arterial Oxygen Tension, a Y 84.33 87.80 82.20 78.21 78.44 80.01 83.53 79.46 75.22 76.58 77.90 78.80 80.67 86.60 78.20 603.40 582.50 556.20 594.60 558.90 575.20 580.10 451.20 404.00 484.00 452.40 448.40 334.80 320.30 350.30 Estimate the "b" in the quadratic regression equation: y=a+bx+cx². Use 2 decimal places.
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