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Suppose we have the following data collected from three randomly-selected counties: 1.Calculate the observed t-statistic.  (3 decimal places) 2.What is the appropriate critical t at the 90% confidence level?   3.According to the data and your findings above (particularly your answers to (1) and (2)), is it statistically appropriate (i.e., with 90% confidence) to conclude that a county’s percentage with a HS degree is related to its percentage in poverty?  How do you justify this conclusion?   County % with HS Degree (x) % in Poverty (y) A 90 5 B 20 25 C 40 15

Suppose we have the following data collected from three randomly-selected counties: 1.Calculate the observed t-statistic.  (3 decimal places) 2.What is the appropriate critical t at the 90% confidence level?   3.According to the data and your findings above (particularly your answers to (1) and (2)), is it statistically appropriate (i.e., with 90% confidence) to conclude that a county’s percentage with a HS degree is related to its percentage in poverty?  How do you justify this conclusion?   County % with HS Degree (x) % in Poverty (y) A 90 5 B 20 25 C 40 15

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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Suppose we have the following data collected from three randomly-selected counties:

1.Calculate the observed t-statistic.  (3 decimal places)

2.What is the appropriate critical t at the 90% confidence level?  

3.According to the data and your findings above (particularly your answers to (1) and (2)), is it statistically appropriate (i.e., with 90% confidence) to conclude that a county’s percentage with a HS degree is related to its percentage in poverty?  How do you justify this conclusion?  

County % with HS Degree (x) % in Poverty (y)
A 90 5
B 20 25
C 40 15
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