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Statistics questions

Statistics
Tutor: None Selected Time limit: 0 Hours

Apr 20th, 2015

old new d
5 5.8 0.8
3.2 5.3 2.1
4.7 7.5 2.8
2.8 5.3 2.5
2.4 4.1 1.7
2 3.7 1.7
6 6.8 0.8
6.5 7.7 1.2
3.1 4.2 1.1
   
average 1.633  
population 9  
standard deviation 0.724568837  
critical value 2.326  
lower limit 1.071  
upper limit 2.194  

May 1st, 2015

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Apr 20th, 2015
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Apr 20th, 2015
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