H_0: frac{{LowincomeArea{2016}}{LowincomeArea{{2015}}} <= frac{~LowincomeArea{2016}}{~LowincomeArea{2015}}
H_1: frac{{LowincomeArea{2016}}{LowincomeArea{{2015}}} > frac{~LowincomeArea{2016}}{~LowincomeArea{2015}}
or:
H_0: frac{{LowincomeArea{2016}}{LowincomeArea{{2015}}} - frac{~LowincomeArea{2016}}{~LowincomeArea{2015}}<=0
H_1: frac{{LowincomeArea{2016}}{LowincomeArea{{2015}}} -frac{~LowincomeArea{2016}}{~LowincomeArea{2015}}>0 
We sat the significance level  alpha=0.05
Result: