If the studies are inconsistent, it means that at least some of the age group from the first study will not be included in the second study, or some of the age group from the second study will not be in the first study. Therefore, to determine if the two studies are inconsistent in their description of generation A we must compare the age groups from the two studies to see if either one includes people not included in the other study. In other words, we need to determine if the age ranges match up exactly when the year of the study is taken in to consideration. In the first study from 2005, generation A is defined to be people ages 17–28. Three years later, in 2008, the second study was published and defined generation A to be people ages ages 20–31.   a) First we examine the low end of the age ranges. We note that someone who was 17 years old in 2005 would be ______ years old in 2008. b) Now we examine the high end of the age ranges. We note that someone who was 28 years old in 2005 would be _______ years old in 2008.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 1EQ: 1. Suppose that, in Example 2.27, 400 units of food A, 600 units of B, and 600 units of C are placed...
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If the studies are inconsistent, it means that at least some of the age group from the first study will not be included in the second study, or some of the age group from the second study will not be in the first study. Therefore, to determine if the two studies are inconsistent in their description of generation A we must compare the age groups from the two studies to see if either one includes people not included in the other study. In other words, we need to determine if the age ranges match up exactly when the year of the study is taken in to consideration.

In the first study from 2005, generation A is defined to be people ages 17–28. Three years later, in 2008, the second study was published and defined generation A to be people ages ages 20–31.

 

a) First we examine the low end of the age ranges. We note that someone who was 17 years old in 2005 would be ______ years old in 2008.



b) Now we examine the high end of the age ranges. We note that someone who was 28 years old in 2005 would be _______ years old in 2008.

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