Mathematics, 18.04.2021 01:00 2021andrewkell
Researchers collected data regarding the blood pressure of 20 individuals. For each individual, they recorded the blood pressure (mm Hg), age (years), weight (kg), body surface area (m2), duration of hypertension (years), pulse (beats/min) and a stress index. The data is listed below The researchers are interested in whether a relationship exists between blood (or all) of the factors recorded. The problem examines different levels of regression fits starting with multiple items and moving to fewer items. You may use Minitab 2. pressure and any
a. Model 1: Determ ine a multiple regression fit to the data using all terms to first order, and weight and age to second order. Also include the interaction of weight and age.
b. Complete the table below. Comment on what the three "2 values represent.
NumberAgeWeightBSA Duration PulsStress BP 85 4.2 2.1 95.31.9 10 3.8 8.2 5.8 2.01 121 121 110 110 48 99.52.2 2.2 1.9 6.2 10 48 92 2.0 2.0 47 5.3 90 94.1 2.0 10.2 87.1 6 52 101.3 2.1 4 4 4 48 15 94.5 87.0 7.4 18 19 20 1.9 9051.8 95
Model r^2 radj^2 rpred^2
1
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Researchers collected data regarding the blood pressure of 20 individuals. For each individual, they...
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