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A patient undergoes prolonged treatment for low bone density. The density measurements in the table were made irregularly during this period. Visit Time in months from treatment start Density (g/cm²) 0.643 1 7 0.617 19 0.655 4 46 0.641 5 64 0.632 69 0.649 7 79 0.641 92 0.642 100 0.623 (a) What is the estimated rate of increase in density per *year*? (b) What is the standard error of this estimate? (c) Did the density change significantly over the time of the treatment.

A patient undergoes prolonged treatment for low bone density. The density measurements in the table were made irregularly during this period. Visit Time in months from treatment start Density (g/cm²) 0.643 1 7 0.617 19 0.655 4 46 0.641 5 64 0.632 69 0.649 7 79 0.641 92 0.642 100 0.623 (a) What is the estimated rate of increase in density per *year*? (b) What is the standard error of this estimate? (c) Did the density change significantly over the time of the treatment.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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2. A patient undergoes prolonged treatment for low bone density. The density measurements in the table were made irregularly during this period. Visit Time in months from treatment start Density (g/cm²) 1 0.643 7 0.617 3 19 0.655 4 46 0.641 64 0.632 69 0.649 7 79 0.641 8 92 0.642 9 100 0.623 (a) What is the estimated rate of increase in density per *year*? (b) What is the standard error of this estimate? (c) Did the density change significantly over the time of the treatment.
Transcribed Image Text:2. A patient undergoes prolonged treatment for low bone density. The density measurements in the table were made irregularly during this period. Visit Time in months from treatment start Density (g/cm²) 1 0.643 7 0.617 3 19 0.655 4 46 0.641 64 0.632 69 0.649 7 79 0.641 8 92 0.642 9 100 0.623 (a) What is the estimated rate of increase in density per *year*? (b) What is the standard error of this estimate? (c) Did the density change significantly over the time of the treatment.
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