13. The US census collects data on race and ethnicity of Americans, among many other variables. The histogram below shows the distribution of the percentage of the population that is Hispanic in 3143 counties in the US in 2010. Also shown is a histogram of logs of these values. 2000- 1500- 1000- 500- 40 60 Hispanic % 80 100 250 200- 150- 100- 50- log(% Hispanic) >40 20 0 a. Describe the numerical distribution and comment on why we might want to use log-transformed values in analyzing or modelling these data. b. What features of the distribution of the Hispanic population in US counties are apparent in the map but not in the histogram? What features are apparent in the histogram but not the map?
13. The US census collects data on race and ethnicity of Americans, among many other variables. The histogram below shows the distribution of the percentage of the population that is Hispanic in 3143 counties in the US in 2010. Also shown is a histogram of logs of these values. 2000- 1500- 1000- 500- 40 60 Hispanic % 80 100 250 200- 150- 100- 50- log(% Hispanic) >40 20 0 a. Describe the numerical distribution and comment on why we might want to use log-transformed values in analyzing or modelling these data. b. What features of the distribution of the Hispanic population in US counties are apparent in the map but not in the histogram? What features are apparent in the histogram but not the map?
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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could you please answer it with pen and paper?
Transcribed Image Text:13. The US census collects data on race and ethnicity of Americans, among many other
variables. The histogram below shows the distribution of the percentage of the
population that is Hispanic in 3143 counties in the US in 2010. Also shown is a
histogram of logs of these values.
2000-
1500-
1000
500-
0
20
40
60
Hispanic %
80
100
250
200-
150-
100-
50-
log(% Hispanic)
>40
20
0
a. Describe the numerical distribution and comment on why we might want to
use log-transformed values in analyzing or modelling these data.
b. What features of the distribution of the Hispanic population in US counties are
apparent in the map but not in the histogram? What features are apparent in
the histogram but not the map?
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