(b) There was some concern that women in the two groups may have different dietary habits that could affect BMD. For example, higher intake of milk or other foods and supplements that provide additional calcium to the body could increase BMD. To examine this possibility, the researchers also asked each woman in the study to report on weekly milk consumption when she was age 20 through age 29. The data were then used to compute a value of calcium obtained from milk consumption for each woman in the study. BMD levels were plotted against the calcium intake from consumption of milk for women in each of the groups. The plots are shown below, with the least squares estimate of a regression line on each plot. BMD BONE MINERAL DENSITY FOR SEDENTARY WOMEN 1.4+ 1.3+ 1.2- 1.1 1.0- 02 4 6 8 10 12 14 16 Calcium from Milk Consumption BONE MINERAL DENSITY FOR WALKERS 1.4+ 1.3+ 44 1.2- 1.1. BMD 1.0- 02 4 6 8 10 12 14 16 Calcium from Milk Consumption What do the plots indicate about the relationship between BMD and calcium intake from milk consumption from age 20 through age 29 ?
(b) There was some concern that women in the two groups may have different dietary habits that could affect BMD. For example, higher intake of milk or other foods and supplements that provide additional calcium to the body could increase BMD. To examine this possibility, the researchers also asked each woman in the study to report on weekly milk consumption when she was age 20 through age 29. The data were then used to compute a value of calcium obtained from milk consumption for each woman in the study. BMD levels were plotted against the calcium intake from consumption of milk for women in each of the groups. The plots are shown below, with the least squares estimate of a regression line on each plot. BMD BONE MINERAL DENSITY FOR SEDENTARY WOMEN 1.4+ 1.3+ 1.2- 1.1 1.0- 02 4 6 8 10 12 14 16 Calcium from Milk Consumption BONE MINERAL DENSITY FOR WALKERS 1.4+ 1.3+ 44 1.2- 1.1. BMD 1.0- 02 4 6 8 10 12 14 16 Calcium from Milk Consumption What do the plots indicate about the relationship between BMD and calcium intake from milk consumption from age 20 through age 29 ?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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