week 3 assignment 1

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Statistical Analysis and p Values

Analyze the data presented in Table 1 below regarding city population size and levels of phosphorous, dissolved oxygen, and nitrogen in groundwater. Based on this data, discuss whether or not city population has an effect on the phosphate, dissolved oxygen, and nitrogen content of groundwater. Additionally, describe how you know this based on the statistics and state whether any interactions are positive or negative. 

 Table 1:

City Population
(thousands) 
 Phosphorous Content
(mg/L) 
Dissolved Oxygen Content
(mg/L)
Nitrogen Content
(mg/L) 
 1000.75 13.21 0.55
 2000.929.990.54
 3000.99  8.66 0.95
 4001.12  6.15 1.55
  p=.18 p=0.04 p=0.01

 

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    nicohwilliam
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