Fifty male subjects drank a measured amount x (in ounces) of a medication and the concentration y (in percent) in their blood of the active ingredient was measured 30 minutes later. The sample data are summarized by the following information: n = 50 Ex 112.5 Ex? = 356.25 Ey = 4.83 Ey = 0.667 Exy = 15.255 0

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.6: Rational Functions
Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.
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Fifty male subjects drank a measured amount x (in ounces) of a medication and the concentration y
(in percent) in their blood of the active ingredient was measured 30 minutes later. The sample data
are summarized by the following information:
n = 50
Ex = 112.5 Ex? = 356.25
%3D
Ey = 4.83 Ey = 0.667 Exy = 15.255
0 < x < 4.5
Or= 0.875
Or= 0.709
Or= -0.846
Or=0.460
Or= 0.965
Transcribed Image Text:Fifty male subjects drank a measured amount x (in ounces) of a medication and the concentration y (in percent) in their blood of the active ingredient was measured 30 minutes later. The sample data are summarized by the following information: n = 50 Ex = 112.5 Ex? = 356.25 %3D Ey = 4.83 Ey = 0.667 Exy = 15.255 0 < x < 4.5 Or= 0.875 Or= 0.709 Or= -0.846 Or=0.460 Or= 0.965
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